{"id":9646,"date":"2025-05-07T11:30:54","date_gmt":"2025-05-07T15:30:06","guid":{"rendered":"https:\/\/dev.nsira-ossnr.gc.ca\/reviews\/our-reviews\/review-of-federal-institutions-disclosures-of-information-under-the-security-of-canada-information-disclosure-act-in-2021\/backgrounder-2\/"},"modified":"2025-06-02T15:47:21","modified_gmt":"2025-06-02T19:47:21","slug":"backgrounder","status":"publish","type":"page","link":"https:\/\/nsira-ossnr.gc.ca\/fr\/examens\/nos-examens\/21-17\/fiche-dinformation-2\/","title":{"rendered":"Communications Security Establishment\u2019s Network-Based Solutions and Related CS\/IA Activities: Backgrounder"},"content":{"rendered":"
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\n Solutions r\u00e9seau du Centre de la s\u00e9curit\u00e9 des t\u00e9l\u00e9communications et activit\u00e9s connexes en mati\u00e8re de cybers\u00e9curit\u00e9 et d'AI <\/h1>\n\n
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\n Fiche d'information <\/h2>\n \n \n\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n\n
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Fiche d'information<\/h2>\n\n\n\n

Le gouvernement du Canada est confront\u00e9 \u00e0 des menaces provenant d\u2019un large \u00e9ventail de cyberacteurs malveillants, allant des cybercriminels aux \u00c9tats \u00e9trangers disposant de moyens sophistiqu\u00e9s, ce qui fait de la cybers\u00e9curit\u00e9 une priorit\u00e9 absolue en mati\u00e8re de s\u00e9curit\u00e9 nationale. La protection des syst\u00e8mes f\u00e9d\u00e9raux contre ces menaces est une responsabilit\u00e9 du Centre de la s\u00e9curit\u00e9 des t\u00e9l\u00e9communications (CST), l\u2019organisme responsable de la cybers\u00e9curit\u00e9 au Canada.<\/p>\n\n\n\n

Au sein du CST, le Centre canadien pour la cybers\u00e9curit\u00e9 dirige les efforts visant \u00e0 pr\u00e9venir et \u00e0 d\u00e9tecter les cybermenaces ciblant les syst\u00e8mes et l\u2019infrastructure du gouvernement, ainsi qu\u2019\u00e0 y r\u00e9pondre. En 2019, la Loi sur le Centre de la s\u00e9curit\u00e9 des t\u00e9l\u00e9communications<\/em> accordait au CST des pouvoirs \u00e9largis visant \u00e0 renforcer la position du Canada en mati\u00e8re de cybers\u00e9curit\u00e9, y compris des pouvoirs accrus en mati\u00e8re de cybers\u00e9curit\u00e9 et d\u2019assurance de l\u2019information (CAI).<\/p>\n\n\n\n

\u00c9tant donn\u00e9 que le travail du CST consiste \u00e0 recueillir et \u00e0 analyser de grandes quantit\u00e9s d\u2019information num\u00e9rique \u2013 lesquelles pourraient incidemment concerner des Canadiens ou des personnes se trouvant au Canada \u2013, un examen rigoureux est essentiel pour veiller \u00e0 ce que ces activit\u00e9s demeurent l\u00e9gales et raisonnables, en particulier respectueuses du droit \u00e0 la vie priv\u00e9e.<\/p>\n\n\n\n

Dans ce contexte, l\u2019OSSNR a entrepris son premier examen des activit\u00e9s CAI du CST. L\u2019examen a permis d\u2019\u00e9tudier de pr\u00e8s l\u2019une des principales solutions du CST en mati\u00e8re de cybers\u00e9curit\u00e9, d\u2019analyser les op\u00e9rations plus g\u00e9n\u00e9rales de cyberd\u00e9fense et d\u2019\u00e9valuer la fa\u00e7on dont ces activit\u00e9s sont coordonn\u00e9es avec Services partag\u00e9s Canada (SPC), qui g\u00e8re une grande partie de l\u2019infrastructure de TI du gouvernement f\u00e9d\u00e9ral.<\/p>\n\n\n\n

Pour reconna\u00eetre et pr\u00e9venir les cybermenaces, le CST acquiert et analyse de vastes quantit\u00e9s d\u2019information. Ces activit\u00e9s peuvent \u00eatre tr\u00e8s intrusives et mettre en jeu des int\u00e9r\u00eats importants en mati\u00e8re de protection de la vie priv\u00e9e des Canadiens, y compris ceux qui interagissent avec le gouvernement du Canada. L\u2019examen de l\u2019OSSNR a mis l\u2019accent sur la fa\u00e7on dont \u00e9taient g\u00e9r\u00e9s les renseignements pouvant avoir une incidence sur les int\u00e9r\u00eats des Canadiens en mati\u00e8re de protection de la vie priv\u00e9e.<\/p>\n\n\n\n

L\u2019examen permet de conclure que le CST apporte une contribution essentielle \u00e0 la protection des r\u00e9seaux du gouvernement du Canada et qu\u2019il int\u00e8gre des mesures con\u00e7ues pour prot\u00e9ger la vie priv\u00e9e des Canadiens et d\u2019autres personnes au Canada. Cependant, l\u2019OSSNR a soulev\u00e9 deux points importants \u00e0 am\u00e9liorer.<\/p>\n\n\n\n

Premi\u00e8rement, l\u2019examen a permis de constater que les rapports du CST destin\u00e9s au ministre de la D\u00e9fense nationale \u2013 le ministre appel\u00e9 \u00e0 exercer un contr\u00f4le sur le CST \u2013 manquaient de clart\u00e9 et de d\u00e9tails. Cette lacune pourrait nuire \u00e0 la capacit\u00e9 du Ministre \u00e0 prendre des d\u00e9cisions \u00e9clair\u00e9es au sujet des activit\u00e9s de cybers\u00e9curit\u00e9 du CST.<\/p>\n\n\n\n

Deuxi\u00e8mement, l\u2019OSSNR a fait remarquer que dans certains cas, la collecte de renseignements par le CST aupr\u00e8s de sources externes pouvait avoir une incidence sur les droits des Canadiens en mati\u00e8re de vie priv\u00e9e.<\/p>\n\n\n\n

Pour rem\u00e9dier \u00e0 ces probl\u00e8mes, l\u2019OSSNR a formul\u00e9 sept recommandations visant \u00e0 accro\u00eetre la transparence des communications du CST avec le Ministre et \u00e0 renforcer les proc\u00e9dures d\u2019\u00e9valuation et de gestion des donn\u00e9es qui peuvent avoir une incidence sur le droit \u00e0 la vie priv\u00e9e.<\/p>\n\n\n\n

Ces constatations soulignent l\u2019importance vitale d\u2019un examen rigoureux et ind\u00e9pendant des questions li\u00e9es \u00e0 la s\u00e9curit\u00e9 nationale. Puisque les cybermenaces ne cessent d\u2019\u00e9voluer et de se raffiner, le Canada doit s\u2019assurer que ses d\u00e9fenses num\u00e9riques demeurent non seulement efficaces, mais aussi responsables et conformes aux valeurs canadiennes. L\u2019examen de l\u2019OSSNR joue un r\u00f4le crucial dans le maintien de cet \u00e9quilibre, en veillant \u00e0 ce que la s\u00e9curit\u00e9 et la protection des renseignements personnels aillent de pair.<\/p>\n\n\n\n

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