{"id":12185,"date":"2024-03-19T14:49:10","date_gmt":"2024-03-19T18:49:10","guid":{"rendered":"https:\/\/www.millerthomson.com\/supreme-court-of-canada-decision-regarding-ip-address-privacy\/"},"modified":"2025-08-08T14:53:38","modified_gmt":"2025-08-08T18:53:38","slug":"supreme-court-of-canada-decision-regarding-ip-address-privacy","status":"publish","type":"post","link":"https:\/\/www.millerthomson.com\/fr\/perspectives-juridiques\/cybersecurite\/supreme-court-of-canada-decision-regarding-ip-address-privacy\/","title":{"rendered":"La vie priv\u00e9e l\u2019emporte\u00a0: d\u00e9cision historique de la Cour supr\u00eame du Canada concernant la confidentialit\u00e9 des adresses IP"},"content":{"rendered":"\n<p>Le 1<sup>er<\/sup>&nbsp;mars&nbsp;2024, la Cour supr\u00eame du Canada a rendu sa d\u00e9cision dans l\u2019affaire <a href=\"https:\/\/www.canlii.org\/fr\/ca\/csc\/doc\/2024\/2024csc6\/2024csc6.html\" target=\"_blank\" rel=\"noreferrer noopener\"><em>R. c. Bykovets<\/em><\/a> et conclu que les adresses&nbsp;IP suscitent une attente raisonnable au respect de la vie priv\u00e9e. Par cons\u00e9quent, les soci\u00e9t\u00e9s devraient noter qu\u2019elles n\u2019ont aucune obligation l\u00e9gale de fournir les adresses&nbsp;IP de leurs clients \u00e0 la police en l\u2019absence d\u2019un mandat en bonne et due forme.<\/p>\n\n\n\n<p>Une adresse&nbsp;IP est un num\u00e9ro d\u2019identification unique qui identifie la source de toute activit\u00e9 en ligne et relie cette activit\u00e9 \u00e0 un endroit donn\u00e9.<\/p>\n\n\n\n<p>Dans cette d\u00e9cision, le Service de police de Calgary enqu\u00eatait sur des achats en ligne frauduleux effectu\u00e9s aupr\u00e8s d\u2019un magasin de vins et spiritueux. Au cours de l\u2019enqu\u00eate, la police a communiqu\u00e9 avec la soci\u00e9t\u00e9 tierce de traitement des paiements, Moneris, \u00e0 qui elle a demand\u00e9 de lui fournir les adresses&nbsp;IP des abonn\u00e9s qui avaient effectu\u00e9 ces achats frauduleux. Moneris a fourni les adresses&nbsp;IP demand\u00e9es et la police a pu retracer Bykovets gr\u00e2ce \u00e0 une ordonnance de communication obligeant le fournisseur de services de t\u00e9l\u00e9communication \u00e0 lui r\u00e9v\u00e9ler les noms et adresses des abonn\u00e9s.<\/p>\n\n\n\n<p>Le suspect, Bykovets, a d\u00e9pos\u00e9 une plainte en vertu de l\u2019article&nbsp;8 de la <em>Charte<\/em>, qui pr\u00e9voit un droit \u00e0 la protection contre les fouilles, les perquisitions et les saisies abusives. Pour revendiquer la protection garantie par l\u2019article&nbsp;8 de la <em>Charte<\/em>, le demandeur doit d\u00e9terminer l\u2019objet de la fouille, avoir un int\u00e9r\u00eat direct \u00e0 l\u2019\u00e9gard de l\u2019objet et d\u00e9montrer que le demandeur avait une attente subjective et objective raisonnable au respect de sa vie priv\u00e9e relativement \u00e0 l\u2019objet.<\/p>\n\n\n\n<p>La Cour du Banc de la Reine de l\u2019Alberta et la Cour d\u2019appel de l\u2019Alberta ont toutes deux d\u00e9termin\u00e9 que la demande pr\u00e9sent\u00e9e \u00e0 Moneris par la police ne constituait pas une fouille au sens de l\u2019article\u00a08 de la <em>Charte<\/em>, car l\u2019adresse\u00a0IP d\u2019un internaute n\u2019est pas assortie d\u2019une attente raisonnable au respect de la vie priv\u00e9e \u00e9tant donn\u00e9 que les adresses\u00a0IP ne peuvent \u00e0 elles seules r\u00e9v\u00e9ler des renseignements sur le mode de vie d\u2019une personne ou des renseignements biographiques essentiels. La juge Veldhuis de la Cour d\u2019appel de l\u2019Alberta, dissidente, a fait remarquer que la police ne cherchait pas <em>uniquement <\/em>\u00e0 obtenir une adresse\u00a0IP, mais plut\u00f4t des renseignements que l\u2019adresse\u00a0IP pouvait r\u00e9v\u00e9ler sur un internaute pr\u00e9cis. M.\u00a0Bykovets a port\u00e9 sa cause en appel devant la CSC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9cision de la CSC<\/h2>\n\n\n\n<p>La CSC a annul\u00e9 la d\u00e9cision de premi\u00e8re instance et la d\u00e9cision d\u2019appel, et s\u2019est rang\u00e9e du c\u00f4t\u00e9 de la juge Veldhuis, dissidente. Ce faisant, la Cour a indiqu\u00e9 qu\u2019une adresse&nbsp;IP est \u00ab&nbsp;la cl\u00e9 susceptible de guider l\u2019\u00c9tat dans le labyrinthe de l\u2019activit\u00e9 Internet d\u2019un utilisateur&nbsp;\u00bb&nbsp;et le \u00ab&nbsp;premier fragment num\u00e9rique qui peut mener l\u2019\u00c9tat sur la trace de l\u2019activit\u00e9 Internet d\u2019une personne&nbsp;\u00bb. Par ailleurs, la Cour a soulign\u00e9 la n\u00e9cessit\u00e9 d\u2019examiner l\u2019attente de l\u2019utilisateur au respect de sa vie priv\u00e9e \u00ab&nbsp;\u00e0 l\u2019\u00e9gard de tous les renseignements que cette adresse&nbsp;IP \u201ctend \u00e0 r\u00e9v\u00e9ler\u201d&nbsp;\u00bb.<\/p>\n\n\n\n<p>Plus particuli\u00e8rement, la Cour a estim\u00e9 qu\u2019une adresse&nbsp;IP n\u2019est pas simplement une cha\u00eene abstraite de chiffres servant \u00e0 obtenir un mandat \u00e0 l\u2019encontre d\u2019un fournisseur de services Internet; elle permet \u00e9galement de communiquer des renseignements personnels sur l\u2019utilisateur, notamment l\u2019endroit pr\u00e9cis o\u00f9 il se trouve, ainsi que sur diverses activit\u00e9s en ligne tr\u00e8s personnelles, telles que ses achats, les destinations qu\u2019il visite ou ses pr\u00e9f\u00e9rences politiques. Ces renseignements ne sont pas prot\u00e9g\u00e9s par un mandat de type <em>Spencer<\/em>&nbsp;(un mandat que la police doit obtenir avant de demander \u00e0 un fournisseur de services Internet de r\u00e9v\u00e9ler l\u2019identit\u00e9 d\u2019un utilisateur pr\u00e9cis associ\u00e9 \u00e0 une adresse&nbsp;IP). Parmi d\u2019autres facteurs, la Cour a \u00e9galement soulign\u00e9 le fait que le fardeau que repr\u00e9sente la n\u00e9cessit\u00e9 d\u2019obtenir un mandat pour acc\u00e9der \u00e0 une adresse&nbsp;IP n\u2019est pas lourd. La protection garantie par l\u2019article&nbsp;8 emp\u00eache simplement la police d\u2019acc\u00e9der aux activit\u00e9s en ligne d\u2019un utilisateur qui ne sont pas li\u00e9es \u00e0 l\u2019enqu\u00eate.<\/p>\n\n\n\n<p>La juge C\u00f4t\u00e9 s\u2019est dit en d\u00e9saccord avec cette d\u00e9cision, d\u00e9clarant que l\u2019objet de la fouille \u00e9tait l\u2019adresse&nbsp;IP et l\u2019identit\u00e9 du fournisseur de services Internet qui y \u00e9tait associ\u00e9, et non l\u2019identit\u00e9 de l\u2019internaute li\u00e9 \u00e0 l\u2019adresse&nbsp;IP en question. Par ailleurs, la juge C\u00f4t\u00e9 a d\u00e9clar\u00e9 que les adresses&nbsp;IP n\u2019\u00e9taient pas priv\u00e9es et ne r\u00e9v\u00e9laient aucun renseignement priv\u00e9, et qu\u2019elles devaient \u00eatre combin\u00e9es \u00e0 d\u2019autres renseignements pour fournir des renseignements sensibles et personnels. La juge C\u00f4t\u00e9 a soulign\u00e9 que l\u2019analyse de l\u2019article&nbsp;8 \u00e9tait contextuelle et qu\u2019elle n\u2019excluait pas la possibilit\u00e9 qu\u2019une personne puisse avoir une attente raisonnable au respect de sa vie priv\u00e9e \u00e0 l\u2019\u00e9gard des adresses&nbsp;IP sur le fondement de faits diff\u00e9rents.<\/p>\n\n\n\n<p>Cette d\u00e9cision restreint les pouvoirs de surveillance du gouvernement dans un monde de plus en plus num\u00e9rique. Il peut \u00eatre rassurant pour les particuliers d\u2019apprendre que m\u00eame si leurs activit\u00e9s en ligne sont de plus en plus surveill\u00e9es \u00e0 leur insu par des entit\u00e9s priv\u00e9es, la police ne peut pas obtenir ces renseignements sans mandat. Les fournisseurs de services Internet et autres entreprises devraient savoir qu\u2019ils n\u2019ont aucune obligation l\u00e9gale de fournir les adresses&nbsp;IP de leurs clients \u00e0 la police sans que cette derni\u00e8re obtienne d\u2019abord un mandat en bonne et due forme.<\/p>\n\n\n\n<p>Si vous avez des questions ou des pr\u00e9occupations, n\u2019h\u00e9sitez pas \u00e0 communiquer avec un membre de l\u2019\u00e9quipe <a href=\"https:\/\/www.millerthomson.com\/fr\/expertise\/business-fr\/technologies-propriete-intellectuelle-et-protection-de-la-vie-privee\/protection-de-la-vie-privee-gouvernance-des-donnees-et-cybersecurite\/\" target=\"_blank\" rel=\"noreferrer noopener\"><a href=\"https:\/\/www.millerthomson.com\/fr\/expertises\/technologies-propriete-intellectuelle-et-protection-de-la-vie-privee\/protection-de-la-vie-privee-et-cybersecurite\/\">Protection de la vie priv\u00e9e et cybers\u00e9curit\u00e9<\/a><\/a>\u00a0de Miller Thomson.<\/p>\n\n\n\n<p><a id=\"_msocom_1\"><\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le 1er&nbsp;mars&nbsp;2024, la Cour supr\u00eame du Canada a rendu sa d\u00e9cision dans l\u2019affaire R. c. Bykovets et conclu que les adresses&nbsp;IP suscitent une attente raisonnable au respect de la vie priv\u00e9e. Par cons\u00e9quent, les soci\u00e9t\u00e9s devraient noter qu\u2019elles n\u2019ont aucune obligation l\u00e9gale de fournir les adresses&nbsp;IP de leurs clients \u00e0 la police en l\u2019absence d\u2019un [&hellip;]<\/p>\n","protected":false},"author":86,"featured_media":14345,"parent":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[584],"insight-format":[469],"class_list":["post-12185","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La vie priv\u00e9e l\u2019emporte\u00a0: d\u00e9cision historique de la Cour supr\u00eame du Canada concernant la confidentialit\u00e9 des adresses IP | Miller Thomson<\/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:\/\/www.millerthomson.com\/fr\/perspectives-juridiques\/cybersecurite\/supreme-court-of-canada-decision-regarding-ip-address-privacy\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La vie priv\u00e9e l\u2019emporte\u00a0: d\u00e9cision historique de la Cour supr\u00eame du Canada concernant la confidentialit\u00e9 des adresses IP | Miller Thomson\" \/>\n<meta property=\"og:description\" content=\"Le 1er&nbsp;mars&nbsp;2024, la Cour supr\u00eame du Canada a rendu sa d\u00e9cision dans l\u2019affaire R. c. 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Par cons\u00e9quent, les soci\u00e9t\u00e9s devraient noter qu\u2019elles n\u2019ont aucune obligation l\u00e9gale de fournir les adresses&nbsp;IP de leurs clients \u00e0 la police en l\u2019absence d\u2019un [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.millerthomson.com\/fr\/perspectives-juridiques\/cybersecurite\/supreme-court-of-canada-decision-regarding-ip-address-privacy\/\" \/>\n<meta property=\"og:site_name\" content=\"Miller Thomson\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/MillerThomsonLaw\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-19T18:49:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-08T18:53:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.millerthomson.com\/wp-content\/uploads\/2024\/10\/Insights_Cybersecurity_Post-Image.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1776\" \/>\n\t<meta property=\"og:image:height\" 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Bykovets et conclu que les adresses&nbsp;IP suscitent une attente raisonnable au respect de la vie priv\u00e9e. 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