{"id":10199,"date":"2026-01-06T15:35:50","date_gmt":"2026-01-06T15:35:50","guid":{"rendered":"https:\/\/devprodtnk.wpenginepowered.com\/?p=10199"},"modified":"2026-01-08T17:06:36","modified_gmt":"2026-01-08T17:06:36","slug":"le-blackout-reseau-est-il-inevitable","status":"publish","type":"post","link":"https:\/\/transnumerik.com\/en\/le-blackout-reseau-est-il-inevitable\/","title":{"rendered":"IS A NETWORK BLACKOUT INEVITABLE?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10199\" class=\"elementor elementor-10199\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-adb0f16 e-flex e-con-boxed e-con e-parent\" data-id=\"adb0f16\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-de0954a elementor-widget__width-initial exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"de0954a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">LE BLACKOUT R\u00c9SEAU EST-IL IN\u00c9VITABLE ? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-938a6ae e-con-full e-flex e-con e-parent\" data-id=\"938a6ae\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-775df6e exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"775df6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi il survient, comment on s\u2019en rel\u00e8ve, et ce qu\u2019on peut faire d\u00e8s aujourd\u2019hui.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15b725e exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"15b725e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un blackout r\u00e9seau est une interruption inattendue des communications num\u00e9riques, incluant Internet, la t\u00e9l\u00e9phonie mobile et le Cloud. Il peut r\u00e9sulter d\u2019un incident physique, d\u2019une erreur technique, d\u2019une cyberattaque ou d\u2019une d\u00e9cision politique. Dans un environnement informatique interconnect\u00e9, une telle panne peut provoquer un effet domino sur des services essentiels.<\/p><p><strong><span class=\"TextRun SCXW52118656 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW52118656 BCX8\">Est\u2011ce \u00e9vitable\u202f?\u00a0<\/span><\/span><\/strong><span class=\"EOP SCXW52118656 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:80,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p><p>Dans le monde num\u00e9rique actuel, aucun risque ne peut \u00eatre \u00e9limin\u00e9 \u00e0 100\u202f%. En revanche, s\u2019il est difficile d\u2019emp\u00eacher totalement un blackout r\u00e9seau, il est possible d\u2019en r\u00e9duire la probabilit\u00e9 et d\u2019acc\u00e9l\u00e9rer le r\u00e9tablissement des services gr\u00e2ce \u00e0 des pratiques de r\u00e9silience technique et une pr\u00e9paration organisationnelle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b36d992 e-flex e-con-boxed e-con e-parent\" data-id=\"b36d992\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-480a6bb exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"480a6bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I- Causes principales d\u2019un blackout<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b1db2e9 e-con-full e-flex e-con e-child\" data-id=\"b1db2e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0cb3a7e e-con-full e-flex e-con e-child\" data-id=\"0cb3a7e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec386ea elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"ec386ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/encrypted.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10149\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/encrypted.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/encrypted.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/encrypted.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/encrypted.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">1 . Erreur de configuration \/ changement non ma\u00eetris\u00e9<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-558b99d exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"558b99d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\">En f\u00e9vrier 2024,\u00a0<\/span><\/span><a class=\"Hyperlink SCXW126017208 BCX8\" href=\"https:\/\/abcnews.go.com\/US\/att-outage-impacting-us-customers-company\/story?id=107440297\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\" data-ccp-charstyle=\"Hyperlink\">une erreur de modification<\/span><\/span><\/a><span class=\"TextRun SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0chez\u00a0<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\">le fournisseur t\u00e9l\u00e9phonique am\u00e9ricain\u00a0<\/span><\/span><span class=\"TextRun SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\">AT&amp;T<\/span><\/span><span class=\"TextRun SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0a entra\u00een\u00e9 la d\u00e9sactivation de millions d\u2019appareils et bloqu\u00e9 plus de 92<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\">\u202fmillions d\u2019appels pendant pr\u00e8s de 12\u202fheures.<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0D\u2019autres incidents majeurs<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0comme celui de<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0<\/span><\/span><a class=\"Hyperlink SCXW126017208 BCX8\" href=\"https:\/\/ici.radio-canada.ca\/rci\/en\/news\/2086093\/human-error-caused-2022-rogers-outage-system-deficiencies-made-it-worse-report\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\" data-ccp-charstyle=\"Hyperlink\">Rogers<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\" data-ccp-charstyle=\"Hyperlink\">\u00a0en<\/span><span class=\"NormalTextRun SCXW126017208 BCX8\" data-ccp-charstyle=\"Hyperlink\">\u00a02022<\/span><\/span><\/a><span class=\"TextRun SCXW126017208 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW126017208 BCX8\">\u00a0rappellent qu\u2019une simple op\u00e9ration de maintenance ou la suppression d\u2019un filtre peut gravement perturber les r\u00e9seaux.<\/span><\/span><span class=\"EOP SCXW126017208 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f3559e2 e-con-full e-flex e-con e-child\" data-id=\"f3559e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a1de117 elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"a1de117\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"256\" height=\"256\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?fit=256%2C256&amp;ssl=1\" class=\"attachment-full size-full wp-image-10176 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?w=256&amp;ssl=1 256w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?resize=12%2C12&amp;ssl=1 12w\" data-sizes=\"(max-width: 256px) 100vw, 256px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 256px; --smush-placeholder-aspect-ratio: 256\/256;\" \/><noscript><img decoding=\"async\" width=\"256\" height=\"256\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?fit=256%2C256&amp;ssl=1\" class=\"attachment-full size-full wp-image-10176\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?w=256&amp;ssl=1 256w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2025\/12\/control_panel_16620.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><\/noscript><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">2. Perte d\u2019alimentation \u00e9lectrique prolong\u00e9e <\/h3><p class=\"elementor-image-box-description\">Sans \u00e9lectricit\u00e9, les \u00e9quipements de t\u00e9l\u00e9coms (routeurs, datacenters, stations mobiles) sont hors service. Les coupures majeures, comme apr\u00e8s l'ouragan Maria \u00e0 Porto Rico en 2017, d\u00e9montrent que le manque d\u2019\u00e9nergie complique l\u2019acc\u00e8s et la restauration des r\u00e9seaux.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-00aea0a e-con-full e-flex e-con e-child\" data-id=\"00aea0a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45e485c elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"45e485c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10207 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=12%2C12&amp;ssl=1 12w\" data-sizes=\"(max-width: 512px) 100vw, 512px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 512px; --smush-placeholder-aspect-ratio: 512\/512;\" \/><noscript><img decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10207\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/computer.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/noscript><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">3. D\u00e9pendances centralis\u00e9es et effet domino<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-126e1d3 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"126e1d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW254424472 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun CommentStart SCXW254424472 BCX8\">Se reposer sur un seul fournisseur accro\u00eet le risque d\u2019incidents majeurs : par exemple, la\u00a0<\/span><\/span><a class=\"Hyperlink SCXW254424472 BCX8\" href=\"https:\/\/www.fastly.com\/blog\/summary-of-june-8-outage\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW254424472 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">panne\u00a0<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">Fastly<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">\u00a0<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">aux Etats-Unis\u00a0<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">e<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">n<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\" data-ccp-charstyle=\"Hyperlink\">\u00a0juin 2021<\/span><\/span><\/a><span class=\"TextRun SCXW254424472 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW254424472 BCX8\">\u00a0a paralys\u00e9 85<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\">\u202f<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\">% de son r\u00e9seau et de nombreux grands sites<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\">Am\u00e9ricains<\/span><span class=\"NormalTextRun SCXW254424472 BCX8\">.\u00a0<\/span><\/span><span class=\"EOP SCXW254424472 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85f9af5 e-con-full e-flex e-con e-child\" data-id=\"85f9af5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-74c4ba2 e-con-full e-flex e-con e-child\" data-id=\"74c4ba2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-06461be elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"06461be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10209 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=12%2C12&amp;ssl=1 12w\" data-sizes=\"(max-width: 512px) 100vw, 512px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 512px; --smush-placeholder-aspect-ratio: 512\/512;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10209\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/warning.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/noscript><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">4. D\u00e9faillance de routage \/ signalisation<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9998cd exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"f9998cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW184161553 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW184161553 BCX8\">En octobre 2021, une maintenance chez\u00a0<\/span><\/span><a class=\"Hyperlink SCXW184161553 BCX8\" href=\"https:\/\/www.cnbc.com\/2021\/10\/05\/facebook-says-sorry-for-mass-outage-and-reveals-why-it-happened.html?msockid=20fab42e926f625137bea269937d632d\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW184161553 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW184161553 BCX8\" data-ccp-charstyle=\"Hyperlink\">Meta<\/span><\/span><\/a><span class=\"TextRun SCXW184161553 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW184161553 BCX8\">\u00a0a retir\u00e9 les BGP (Border\u00a0Gateway\u00a0Protocol) vers les syst\u00e8mes de nom de domaine, rendant ses plateformes indisponibles plusieurs heures.\u00a0<\/span><\/span><span class=\"EOP SCXW184161553 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b60df18 e-con-full e-flex e-con e-child\" data-id=\"b60df18\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e55ac8a elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"e55ac8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10210 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=12%2C12&amp;ssl=1 12w\" data-sizes=\"(max-width: 512px) 100vw, 512px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 512px; --smush-placeholder-aspect-ratio: 512\/512;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10210\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/data-center.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/noscript><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">5. Destruction ou coupure physique d\u2019infrastructures <\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58f234a exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"58f234a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW254070237 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW254070237 BCX8\">En mars 2024, au large d\u2019Abidjan,\u00a0<\/span><\/span><a class=\"Hyperlink SCXW254070237 BCX8\" href=\"https:\/\/news.abidjan.net\/articles\/729579\/cote-divoire-la-rupture-de-4-cables-sous-marins-a-lorigine-de-linterruption-de-services-internet\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW254070237 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW254070237 BCX8\" data-ccp-charstyle=\"Hyperlink\">plusieurs c\u00e2bles endommag\u00e9s ont affect\u00e9 13 pays d\u2019Afrique de l\u2019Ouest<\/span><\/span><\/a><span class=\"TextRun SCXW254070237 BCX8\" lang=\"FR-CI\" xml:lang=\"FR-CI\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW254070237 BCX8\">, n\u00e9cessitant un reroutage temporaire puis des r\u00e9parations.\u00a0<\/span><span class=\"NormalTextRun CommentStart CommentHighlightPipeRest CommentHighlightRest SCXW254070237 BCX8\">\u00c0 Tonga, en janvier 2022, une \u00e9ruption a coup\u00e9 le seul c\u00e2ble du pays, obligeant l\u2019archip<\/span><span class=\"NormalTextRun CommentHighlightPipeRest SCXW254070237 BCX8\">el \u00e0 passer au satellite avant r\u00e9paration.<\/span><\/span><span class=\"EOP SCXW254070237 BCX8\" data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5a1eb61 e-con-full e-flex e-con e-child\" data-id=\"5a1eb61\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-efdca8a elementor-position-top exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image-box\" data-id=\"efdca8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"512\" height=\"512\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10211 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=12%2C12&amp;ssl=1 12w\" data-sizes=\"(max-width: 512px) 100vw, 512px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 512px; --smush-placeholder-aspect-ratio: 512\/512;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?fit=512%2C512&amp;ssl=1\" class=\"attachment-full size-full wp-image-10211\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?w=512&amp;ssl=1 512w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/protection.png?resize=12%2C12&amp;ssl=1 12w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/noscript><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">6. Cyberattaques majeures <\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54e48d4 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"54e48d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les attaques DDoS volumineuses peuvent saturer des services critiques comme les Syst\u00e8mes de Nom de Domaine ou les R\u00e9seaux de Diffusion de Contenu, entra\u00eenant une indisponibilit\u00e9 g\u00e9n\u00e9ralis\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-398ab43 e-con-full e-flex e-con e-parent\" data-id=\"398ab43\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c1dc81 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"7c1dc81\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II- Impacts pour les entreprises <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a6800d elementor-widget-widescreen__width-initial exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"2a6800d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"none\">Un blackout r\u00e9seau a des r\u00e9percussions rapides et durables sur les entreprises, affectant l\u2019op\u00e9rationnel, le financier, le juridique et le strat\u00e9gique.<\/span><span data-ccp-props=\"{&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559739&quot;:100}\">\u00a0<\/span><\/p><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"13\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Wingdings&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0a7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Arr\u00eat de l\u2019activit\u00e9<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li><\/ul><p><span data-contrast=\"auto\">La production, les ventes et les services deviennent indisponibles, suspendant les op\u00e9rations cl\u00e9s et les workflows d\u00e9pendants du num\u00e9rique.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"14\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Wingdings&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0a7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Pertes financi\u00e8res imm\u00e9diates\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li><\/ul><p><span data-contrast=\"auto\">Les revenus s\u2019\u00e9vaporent pendant l\u2019arr\u00eat, tandis que les co\u00fbts de rem\u00e9diation,\u00a0de\u00a0support et\u00a0d\u2019heures suppl\u00e9mentaires s\u2019accumulent.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"18\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Wingdings&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0a7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Perte de donn\u00e9es et risques de corruption<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559738&quot;:0,&quot;335559739&quot;:100}\">\u00a0<\/span><\/li><\/ul><p><span data-contrast=\"auto\">Cons\u00e9quence fr\u00e9quente lors d\u2019arr\u00eats brutaux : Transactions incompl\u00e8tes, bases de donn\u00e9es corrompues, perte de logs ou de preuves, d\u00e9synchronisation entre syst\u00e8mes.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100}\">\u00a0<\/span><\/p><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"15\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Wingdings&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0a7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Risques juridiques et contractuels<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li><\/ul><p><span data-contrast=\"auto\">Les obligations r\u00e9glementaires et\u00a0accords de niveau de service\u00a0non tenus exposent \u00e0 des p\u00e9nalit\u00e9s, enqu\u00eates et recours.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"16\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559683&quot;:0,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Wingdings&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0a7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">D\u00e9sorganisation\u00a0interne<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li><\/ul><p><span data-contrast=\"auto\">Souvent invisible mais tr\u00e8s r\u00e9el : \u00e9quipes incapables de travailler, la communication interne d\u00e9grad\u00e9e (mail,\u00a0VoIP, messageries), les d\u00e9cisions retard\u00e9es ou mal inform\u00e9es, \u00e9puisement des \u00e9quipes SI et m\u00e9tiers.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;134233279&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:100,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4562e7e e-con-full e-flex e-con e-parent\" data-id=\"4562e7e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0b87e96 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"0b87e96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III- Strat\u00e9gie de r\u00e9silience selon les pratiques du Groupe TransNumerik  <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-661e945 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"661e945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Maintenance pr\u00e9ventive\u202f:\u00a0<\/span><\/b><span data-contrast=\"auto\">avoir toujours un \u0153il sur\u00a0les installations\u00a0hardware et software\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Architecture r\u00e9siliente<\/span><\/b><span data-contrast=\"auto\">\u00a0: segmentation r\u00e9seau, redondance, haute disponibilit\u00e9.\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Politique de conformit\u00e9 personnalis\u00e9e\u202f<\/span><\/b><span data-contrast=\"auto\">:\u00a0 d\u00e9finir sa politique de conformit\u00e9 r\u00e9seau et int\u00e9gration des \u00e9quipements<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">S\u00e9curit\u00e9 proactive :<\/span><\/b><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">SIEM + XDR, surveillance continue, durcissement des configurations.\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"5\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Plan de continuit\u00e9 et reprise d\u2019activit\u00e9 (PCA\/PRA)<\/span><\/b><span data-contrast=\"auto\">\u00a0: test\u00e9 r\u00e9guli\u00e8rement.\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"6\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Gestion des acc\u00e8s et des identit\u00e9s<\/span><\/b><span data-contrast=\"auto\">\u00a0: MFA, politiques strictes.\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul><ul><li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"7\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Simulation et anticipation<\/span><\/b><span data-contrast=\"auto\">\u00a0: tests de charge, sc\u00e9narios de crise pour \u00e9viter les cascades de d\u00e9faillances.\u00a0<\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b98b4d5 e-flex e-con-boxed e-con e-parent\" data-id=\"b98b4d5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-13a723f e-con-full e-flex e-con e-child\" data-id=\"13a723f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76fa19f exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"76fa19f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ces derni\u00e8res ann\u00e9es, des pannes majeures, comme le glissement de terrain sous-marin \u00e0 Abidjan, ont pu \u00eatre r\u00e9solues gr\u00e2ce \u00e0 la diversification des itin\u00e9raires, \u00e0 la gestion rigoureuse des changements et \u00e0 l\u2019\u00e9laboration de plans de communication qui fonctionnent sans Internet.<\/p><p>Un blackout r\u00e9seau n\u2019est pas une fatalit\u00e9. Avec une bonne strat\u00e9gie combinant cybers\u00e9curit\u00e9, gouvernance, et r\u00e9silience technique, les entreprises peuvent r\u00e9duire drastiquement ce risque.<\/p><p><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p><p><span data-contrast=\"auto\">Sources :\u00a0Federal\u00a0Communications Commission,\u00a0Cloudflare,\u00a0Radio Canada, CNBC,\u00a0Fastly, Abidjan net, France Info\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57bef5f e-con-full e-flex e-con e-child\" data-id=\"57bef5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-437df1c exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-image\" data-id=\"437df1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"920\" height=\"612\" data-src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?fit=920%2C612&amp;ssl=1\" class=\"attachment-large size-large wp-image-10205 lazyload\" alt=\"\" data-srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?w=920&amp;ssl=1 920w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=18%2C12&amp;ssl=1 18w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=600%2C400&amp;ssl=1 600w\" data-sizes=\"(max-width: 920px) 100vw, 920px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 920px; --smush-placeholder-aspect-ratio: 920\/612;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"612\" src=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?fit=920%2C612&amp;ssl=1\" class=\"attachment-large size-large wp-image-10205\" alt=\"\" srcset=\"https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?w=920&amp;ssl=1 920w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=768%2C511&amp;ssl=1 768w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=18%2C12&amp;ssl=1 18w, https:\/\/i0.wp.com\/transnumerik.com\/wp-content\/uploads\/2026\/01\/Capture-decran-2026-01-06-162228.jpg?resize=600%2C400&amp;ssl=1 600w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f575c49 e-flex e-con-boxed e-con e-parent\" data-id=\"f575c49\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25b1603 exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"25b1603\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Avec TransNumerik, transformez le risque de blackout en simple incident ma\u00eetris\u00e9 gr\u00e2ce \u00e0 une strat\u00e9gie de r\u00e9silience robuste et op\u00e9rationnelle.  <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e009de6 elementor-align-center exad-sticky-section-no exad-glass-effect-no elementor-widget elementor-widget-button\" data-id=\"e009de6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/transnumerik.com\/contact-transnumerik\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez-nous <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>LE BLACKOUT R\u00c9SEAU EST-IL IN\u00c9VITABLE ? Pourquoi il survient, comment on s\u2019en rel\u00e8ve, et ce qu\u2019on peut faire d\u00e8s aujourd\u2019hui. Un blackout r\u00e9seau est une interruption inattendue des communications num\u00e9riques, incluant Internet, la t\u00e9l\u00e9phonie mobile et le Cloud. Il peut r\u00e9sulter d\u2019un incident physique, d\u2019une erreur technique, d\u2019une cyberattaque ou d\u2019une d\u00e9cision politique. Dans un&#8230;<\/p>","protected":false},"author":14,"featured_media":10224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sans-categorie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LE BLACKOUT R\u00c9SEAU EST-IL IN\u00c9VITABLE ? - TransNumerik<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/transnumerik.com\/en\/le-blackout-reseau-est-il-inevitable\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LE BLACKOUT R\u00c9SEAU EST-IL IN\u00c9VITABLE ? - TransNumerik\" \/>\n<meta property=\"og:description\" content=\"LE BLACKOUT R\u00c9SEAU EST-IL IN\u00c9VITABLE ? 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Pourquoi il survient, comment on s\u2019en rel\u00e8ve, et ce qu\u2019on peut faire d\u00e8s aujourd\u2019hui. Un blackout r\u00e9seau est une interruption inattendue des communications num\u00e9riques, incluant Internet, la t\u00e9l\u00e9phonie mobile et le Cloud. Il peut r\u00e9sulter d\u2019un incident physique, d\u2019une erreur technique, d\u2019une cyberattaque ou d\u2019une d\u00e9cision politique. 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