{"id":15,"date":"2026-07-19T21:56:22","date_gmt":"2026-07-20T01:56:22","guid":{"rendered":"https:\/\/nscoesn.ca\/security-domains\/"},"modified":"2026-07-19T22:01:12","modified_gmt":"2026-07-20T02:01:12","slug":"security-domains","status":"publish","type":"page","link":"https:\/\/nscoesn.ca\/fr\/security-domains\/","title":{"rendered":"Domaines de s\u00e9curit\u00e9"},"content":{"rendered":"<blockquote class=\"wp-block-quote alignwide is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Il n\u2019existe pas de guerre dans le cyberespace. Il n\u2019y a que la guerre.<\/p>\n<cite>Le g\u00e9n\u00e9ral John E. Hyten, commandant du United States Strategic Command, 2017<\/cite><\/blockquote>\n\n\n\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n\n<p class=\"wp-block-paragraph\">Le travail de recherche et de conseil du Centre s\u2019organise autour de six domaines de s\u00e9curit\u00e9. Ensemble, ils forment un cadre structur\u00e9 d\u2019analyse et de conseil, et chacun est reconnu dans la politique de s\u00e9curit\u00e9 du gouvernement du Canada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les six se r\u00e9partissent en deux groupes. Les trois premiers sont technologiques : ils portent sur les vuln\u00e9rabilit\u00e9s des syst\u00e8mes \u00e9lectroniques, des signaux et des \u00e9missions. Les trois derniers sont non technologiques : ils portent sur les vuln\u00e9rabilit\u00e9s des personnes, de la discipline de l\u2019information et de l\u2019environnement b\u00e2ti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les domaines ne sont pas des cat\u00e9gories d\u2019adversaires. Ils sont le terrain sur lequel op\u00e8rent les adversaires, et chaque acteur malveillant se d\u00e9place dans les six \u00e0 la fois.<\/p>\n\n<\/div><\/div>\n\n\n<section class=\"section nsd-diagram\" aria-label=\"Les acteurs malveillants op\u00e8rent dans les six domaines de s\u00e9curit\u00e9\">\n  <div class=\"wrap nsd-diagram-grid\">\n    <div class=\"nsd-agents\">\n      <p class=\"nsd-col-head\">Acteurs malveillants<\/p>\n      <ul class=\"nsd-agent-list\">\n                <li class=\"nsd-agent\" tabindex=\"0\"><span class=\"nsd-agent-dot\" aria-hidden=\"true\"><\/span><span class=\"nsd-agent-label\">Renseignement \u00e9tranger ou d\u00e9fense<\/span><\/li>\n                <li class=\"nsd-agent\" tabindex=\"0\"><span class=\"nsd-agent-dot\" aria-hidden=\"true\"><\/span><span class=\"nsd-agent-label\">Acteurs \u00e9tatiques \u00e9trangers<\/span><\/li>\n                <li class=\"nsd-agent\" tabindex=\"0\"><span class=\"nsd-agent-dot\" aria-hidden=\"true\"><\/span><span class=\"nsd-agent-label\">Crime organis\u00e9<\/span><\/li>\n                <li class=\"nsd-agent\" tabindex=\"0\"><span class=\"nsd-agent-dot\" aria-hidden=\"true\"><\/span><span class=\"nsd-agent-label\">Menaces internes<\/span><\/li>\n              <\/ul>\n    <\/div>\n    <div class=\"nsd-bracket\" aria-hidden=\"true\">\n      <svg viewbox=\"0 0 60 260\" preserveaspectratio=\"none\" focusable=\"false\"><path d=\"M46 6 C22 6 34 122 8 130 C34 138 22 254 46 254\" fill=\"none\" stroke=\"#C9A230\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><\/svg>\n    <\/div>\n    <div class=\"nsd-domains\">\n      <p class=\"nsd-col-head\">Domaines de s\u00e9curit\u00e9<\/p>\n      <ul class=\"nsd-pill-list\">\n                <li class=\"nsd-pill nsd-tech\">\n          <a class=\"nsd-pill-link\" href=\"#itsec\">\n            <span class=\"nsd-abbr\">ITSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 des technologies de l\u2019information<\/span>\n            <span class=\"nsd-one\">S\u00e9curiser les syst\u00e8mes d\u2019information, les r\u00e9seaux et les donn\u00e9es.<\/span>\n          <\/a>\n        <\/li>\n                <li class=\"nsd-pill nsd-tech\">\n          <a class=\"nsd-pill-link\" href=\"#comsec\">\n            <span class=\"nsd-abbr\">COMSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 des communications<\/span>\n            <span class=\"nsd-one\">Prot\u00e9ger les communications contre l\u2019interception et l\u2019exploitation.<\/span>\n          <\/a>\n        <\/li>\n                <li class=\"nsd-pill nsd-tech\">\n          <a class=\"nsd-pill-link\" href=\"#emsec\">\n            <span class=\"nsd-abbr\">EMSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 des \u00e9manations<\/span>\n            <span class=\"nsd-one\">Supprimer les \u00e9missions \u00e9lectroniques compromettantes.<\/span>\n          <\/a>\n        <\/li>\n                <li class=\"nsd-pill nsd-nontech\">\n          <a class=\"nsd-pill-link\" href=\"#persec\">\n            <span class=\"nsd-abbr\">PERSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 du personnel<\/span>\n            <span class=\"nsd-one\">R\u00e9duire la menace interne, l\u2019influence \u00e9trang\u00e8re et la compromission des personnes.<\/span>\n          <\/a>\n        <\/li>\n                <li class=\"nsd-pill nsd-nontech\">\n          <a class=\"nsd-pill-link\" href=\"#opsec\">\n            <span class=\"nsd-abbr\">OPSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 op\u00e9rationnelle<\/span>\n            <span class=\"nsd-one\">Prot\u00e9ger les indicateurs susceptibles de r\u00e9v\u00e9ler des op\u00e9rations sensibles.<\/span>\n          <\/a>\n        <\/li>\n                <li class=\"nsd-pill nsd-nontech\">\n          <a class=\"nsd-pill-link\" href=\"#physec\">\n            <span class=\"nsd-abbr\">PHYSEC<\/span>\n            <span class=\"nsd-full\">S\u00e9curit\u00e9 physique<\/span>\n            <span class=\"nsd-one\">Prot\u00e9ger les personnes, les installations et les biens contre les menaces physiques.<\/span>\n          <\/a>\n        <\/li>\n              <\/ul>\n    <\/div>\n  <\/div>\n  <p class=\"nsd-diagram-note wrap\">Chaque acteur malveillant op\u00e8re dans tous les domaines. Les domaines sont le terrain, non l\u2019adversaire.<\/p>\n<\/section>\n\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Domaines technologiques<\/h4>\n\n\n\n<div class=\"wp-block-group domain-card tech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"itsec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 des technologies de l\u2019information<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">ITSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Prot\u00e9ger les syst\u00e8mes d\u2019information, les r\u00e9seaux et les donn\u00e9es contre l\u2019acc\u00e8s non autoris\u00e9, la perturbation ou l\u2019exploitation.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group domain-card tech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"comsec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 des communications<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">COMSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Prot\u00e9ger les communications contre l\u2019interception et l\u2019exploitation, au moyen du chiffrement, de la gestion des cl\u00e9s et de la transmission s\u00e9curis\u00e9e.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group domain-card tech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"emsec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 des \u00e9manations<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">EMSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Supprimer les \u00e9missions \u00e9lectroniques compromettantes qui pourraient servir \u00e0 reconstituer de l\u2019information, l\u2019objet de la norme TEMPEST.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Domaines non technologiques<\/h4>\n\n\n\n<div class=\"wp-block-group domain-card nontech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"persec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 du personnel<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">PERSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9duire le risque que des personnes deviennent une voie vers la menace interne, l\u2019influence \u00e9trang\u00e8re ou la compromission.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group domain-card nontech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"opsec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 op\u00e9rationnelle<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">OPSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Prot\u00e9ger les indicateurs qui, dans leur ensemble, pourraient r\u00e9v\u00e9ler des op\u00e9rations ou des intentions sensibles.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group domain-card nontech\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"physec\" class=\"wp-block-heading\">S\u00e9curit\u00e9 physique<\/h2>\n\n\n\n<h4 class=\"wp-block-heading nsd-abbr-h\">PHYSEC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Prot\u00e9ger les personnes, les installations et les biens contre les menaces physiques, de l\u2019acc\u00e8s non autoris\u00e9 au sabotage.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n\n<h4 class=\"wp-block-heading\">R\u00e9f\u00e9rence en mati\u00e8re de politiques<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ces six domaines suivent la structure de la Politique sur la s\u00e9curit\u00e9 du gouvernement du Canada (Secr\u00e9tariat du Conseil du Tr\u00e9sor du Canada, 2019). Les r\u00e9sultats du Centre s\u2019harmonisent avec ce cadre afin de demeurer pertinents et interop\u00e9rables avec les programmes de s\u00e9curit\u00e9 f\u00e9d\u00e9raux.<\/p>\n\n\n<p class=\"center\" style=\"margin-top:10px\"><a class=\"gglink\" href=\"https:\/\/www.tbs-sct.canada.ca\/pol\/doc-fra.aspx?id=16578\" target=\"_blank\" rel=\"noopener noreferrer\">Politique sur la s\u00e9curit\u00e9 du gouvernement, Secr\u00e9tariat du Conseil du Tr\u00e9sor du Canada<\/a><\/p>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>There is no such thing as war in cyberspace. There is just war. General John E. Hyten, commander, United States Strategic Command, 2017 The Centre&#8217;s research and advisory work is organised across six security domains. Together they form a structured framework for analysis and advice, and each is recognised within Government of Canada security policy. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-15","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/pages\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/pages\/15\/revisions"}],"predecessor-version":[{"id":69,"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/pages\/15\/revisions\/69"}],"wp:attachment":[{"href":"https:\/\/nscoesn.ca\/fr\/wp-json\/wp\/v2\/media?parent=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}