{"id":27331,"date":"2021-05-11T16:49:00","date_gmt":"2021-05-11T14:49:00","guid":{"rendered":"https:\/\/perseus.de\/data-extraction-vos-donnees-sont-mes-donnees\/"},"modified":"2026-03-30T16:08:34","modified_gmt":"2026-03-30T14:08:34","slug":"data-extraction-vos-donnees-sont-mes-donnees","status":"publish","type":"post","link":"https:\/\/perseus.de\/fr\/data-extraction-vos-donnees-sont-mes-donnees\/","title":{"rendered":"(Data) Extraction \u2013 Vos donn\u00e9es sont mes donn\u00e9es"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"27331\" class=\"elementor elementor-27331 elementor-22638\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ba0588 e-flex e-con-boxed e-con e-parent\" data-id=\"2ba0588\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6459d3d elementor-widget elementor-widget-image\" data-id=\"6459d3d\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"339\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/csm_Data_Scraping_via_Unsplash_589bc2fb64-600x339-1.jpg\" class=\"attachment-medium_large size-medium_large wp-image-27330\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/csm_Data_Scraping_via_Unsplash_589bc2fb64-600x339-1.jpg 600w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/csm_Data_Scraping_via_Unsplash_589bc2fb64-600x339-1-300x170.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cr\u00e9dit image : Franki Chamaki via Unsplash<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\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<div class=\"elementor-element elementor-element-7a6e9fc3 e-flex e-con-boxed e-con e-parent\" data-id=\"7a6e9fc3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a95a6d4 e-con-full e-flex e-con e-child\" data-id=\"a95a6d4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6034cd6 e-con-full e-flex e-con e-child\" data-id=\"6034cd6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-877aac9 elementor-widget elementor-widget-text-editor\" data-id=\"877aac9\" 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<h6>11.05.2021<\/h6>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb3c66b elementor-widget elementor-widget-heading\" data-id=\"bb3c66b\" 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\">(Data) Extraction \u2013 Vos donn\u00e9es sont mes donn\u00e9es\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05cd8e7 elementor-widget elementor-widget-text-editor\" data-id=\"05cd8e7\" 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>Cybers\u00e9curit\u00e9 | Protection informatique | Vecteurs d\u2019attaque<\/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-87f2047 e-con-full e-flex e-con e-child\" data-id=\"87f2047\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76936de elementor-widget elementor-widget-text-editor\" data-id=\"76936de\" 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><strong>Plus r\u00e9cemment, vous pouvez lire de plus en plus sur les incidents de collecte de donn\u00e9es sur Facebook, LinkedIn ou Clubhouse. Mais qu\u2019est-ce qui se cache exactement derri\u00e8re cette collecte de donn\u00e9es ? On va vous le dire.  <\/strong><\/p>\n<p><\/p>\n<p><strong>Qu\u2019est-ce que le (data) scraping ?<\/strong><\/p>\n<p>Le terme \u00ab scraping \u00bb vient de l\u2019anglais et signifie quelque chose comme gratter ou gratter ensemble. Le scraping de donn\u00e9es d\u00e9signe une technique par laquelle un programme informatique extrait des donn\u00e9es de la sortie lisible d\u2019un autre programme \u2013 les rassemble ensemble. <\/p>\n<p>Dans ce scraping, diff\u00e9rents types de donn\u00e9es sont collect\u00e9s et stock\u00e9s tr\u00e8s rapidement depuis des sites internet, des plateformes ou des r\u00e9seaux sociaux. Principalement pour les utiliser plus tard \u00e0 des fins d\u2019analyse. <\/p>\n<p><strong><br><\/strong><\/p>\n<p><strong>O\u00f9 rencontre-t-on le grattage dans la vie quotidienne ?<\/strong><\/p>\n<p>Nous rencontrons tr\u00e8s souvent des grattages dans la vie quotidienne. Les moteurs de recherche ou les sites de comparaison de prix utilisent le scraping pour collecter et afficher les flux produits, les images, les prix et d\u2019autres d\u00e9tails li\u00e9s aux produits. Les informations sont recueillies sur de nombreux sites web.  <\/p>\n<p>Le grattage est \u00e9galement souvent utilis\u00e9 dans un contexte professionnel. Par exemple, les scrapers \u2013 ceux qui utilisent des outils de scraping \u2013 collectent des donn\u00e9es aupr\u00e8s de diff\u00e9rentes entreprises pour obtenir des informations marketing, le comportement des utilisateurs, les avis produits ou les prix des produits. Cela leur permet d\u2019obtenir des informations sur les concurrents ou de donner \u00e0 leur propre entreprise un avantage concurrentiel.  <\/p>\n<p>Le scraping de donn\u00e9es est \u00e9galement r\u00e9alis\u00e9 pour obtenir des informations personnelles aupr\u00e8s des employ\u00e9s ou des clients. Par exemple, les coordonn\u00e9es et adresses, qui sont ensuite vendues \u00e0 d\u2019autres entreprises. Dans des cas isol\u00e9s, les cybercriminels peuvent \u00e9galement acc\u00e9der \u00e0 ces informations.  <\/p>\n<p><strong><br><\/strong><\/p>\n<p><strong>Scraping \u2013 L\u00e9gitime ou abusif ?<\/strong><\/p>\n<p>En g\u00e9n\u00e9ral, le scraping collecte des donn\u00e9es publiques. Cependant, le facteur d\u00e9cisif r\u00e9side dans leur utilisation. Les usages l\u00e9gitimes sont, par exemple, les sites de comparaison de prix mentionn\u00e9s ci-dessus.  <\/p>\n<p>Cependant, ces donn\u00e9es peuvent \u00e9galement \u00eatre mal utilis\u00e9es. Par exemple, en copiant simplement des textes cr\u00e9\u00e9s professionnellement d\u2019une entreprise et en les utilisant pour d\u2019autres sites web. Ou en envoyant des emails de phishing \u00e0 des adresses collect\u00e9es via le scraping. Les cybercriminels peuvent \u00e9galement utiliser le scraping de donn\u00e9es pour copier les sites web en d\u00e9tail et les utiliser pour des tentatives de phishing \u2013 par exemple, une page de connexion pour la banque en ligne.   <\/p>\n<p><strong><br><\/strong><\/p>\n<p><strong>Concentrez-vous sur les r\u00e9seaux sociaux<\/strong><\/p>\n<p>En ce moment, on parle que plusieurs&nbsp;<a href=\"https:\/\/www.cpomagazine.com\/data-privacy\/clubhouse-joins-facebook-and-linkedin-as-target-of-data-scraping-cumulative-one-billion-user-profiles-have-been-leaked\/\">Cent millions de donn\u00e9es personnelles d\u2019utilisateurs<\/a> ont \u00e9t\u00e9 publi\u00e9es et circulent. Ils ont \u00e9t\u00e9 \u00ab scrap\u00e9s \u00bb, par exemple, sur le r\u00e9seau de carri\u00e8re LinkedIn et sur l\u2019application de r\u00e9seau social audio Clubhouse. <\/p>\n<p>Peu de temps auparavant, Facebook avait \u00e9galement annonc\u00e9 qu\u2019il \u00e9tait affect\u00e9 par le scraping de donn\u00e9es. Cela concerne plusieurs centaines de millions de profils. <\/p>\n<p>Cependant, les plateformes concern\u00e9es ignorent le&nbsp;ne <a href=\"https:\/\/www.heise.de\/news\/Linkedin-Daten-von-500-Millionen-Nutzern-online-zum-Verkauf-angeboten-6009560.html\">sont pas au courant d\u2019aucune culpabilit\u00e9<\/a>, car ces extractions de donn\u00e9es ne sont pas des incidents de s\u00e9curit\u00e9 caus\u00e9s par des hackers. Seules les donn\u00e9es personnelles ont \u00e9t\u00e9 d\u00e9tourn\u00e9es, auxquelles des tiers peuvent acc\u00e9der via les applications ou les API publiques \u2013 et que les utilisateurs eux-m\u00eames ont publi\u00e9es dans leurs profils. Cela inclut des noms, des noms de profil ou des URL de photos.  <\/p>\n<p><strong><br><\/strong><\/p>\n<p><strong>Donn\u00e9es trouv\u00e9es sur le darknet<\/strong><\/p>\n<p>Le scraping peut avoir des cons\u00e9quences n\u00e9gatives pour les personnes concern\u00e9es \u2013 m\u00eame s\u2019il ne s\u2019agit pas d\u2019une \u00ab attaque classique de hacker \u00bb dans laquelle des cybercriminels obtiennent un acc\u00e8s non autoris\u00e9 \u00e0 des syst\u00e8mes, serveurs ou r\u00e9seaux.<\/p>\n<p>Ces derniers jours et semaines,&nbsp;<a href=\"https:\/\/www.teiss.co.uk\/news\/personal-data-of-533m-facebook-users-leaked-for-free-on-the-dark-web-8852\">Plusieurs millions de donn\u00e9es de profil<\/a> sont mises en vente sur des forums de hackers bien connus. Dans certains cas, les donn\u00e9es \u00e9taient m\u00eame mises \u00e0 disposition gratuitement. Selon des rapports, des donn\u00e9es sensibles telles que les mots de passe ou les informations de carte bancaire n\u2019ont apparemment pas \u00e9t\u00e9 affect\u00e9es. Cependant, il est possible que les donn\u00e9es publi\u00e9es soient combin\u00e9es avec des informations collect\u00e9es ailleurs, fournissant suffisamment d\u2019informations pour les attaques de fraude (par exemple, phishing, force brute).   <\/p>\n<p><strong><br><\/strong><\/p>\n<p><strong>Nous recommandons d\u2019accro\u00eetre l\u2019attention<\/strong><\/p>\n<p>Si vous avez un profil (ou plusieurs) sur les r\u00e9seaux sociaux mentionn\u00e9s, il se peut que vos donn\u00e9es soient affect\u00e9es. C\u2019est pourquoi nous vous conseillons de faire plus attention dans les semaines \u00e0 venir. <\/p>\n<p>Soyez particuli\u00e8rement m\u00e9fiant envers les messages et e-mails suspects, qui pourraient \u00eatre des tentatives d\u2019utilisation des donn\u00e9es collect\u00e9es pour des fraudes, du phishing ou des attaques d\u2019ing\u00e9nierie sociale.<\/p>\n<p><strong><br><\/strong><\/p><p><strong>Comment pouvez-vous vous prot\u00e9ger ?<\/strong><\/p>\n<p>En g\u00e9n\u00e9ral, il est conseill\u00e9 de rester attentif \u00e0 la publication d\u2019informations sur Internet et surtout sur les r\u00e9seaux sociaux. Ne partagez que le contenu qui permettrait au grand public de le voir. De plus, sachez que vos donn\u00e9es seront officiellement partag\u00e9es avec des tiers. Et qu\u2019elles sont collect\u00e9es et transmises par des personnes ou, par exemple, par des outils de grattage.   <\/p>\n<p>Vous pouvez d\u00e9couvrir comment v\u00e9rifier si vos donn\u00e9es ont \u00e9t\u00e9 publi\u00e9es et ce que vous pouvez faire dans ce cas dans cet <a href=\"http:\/\/52.57.197.213\/2021\/04\/09\/millionen-daten-von-facebook-nutzern-veroeffentlicht-was-nun%ef%bf%bc\/\">article de blog<\/a>.<\/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-4d84bbc e-flex e-con-boxed e-con e-parent\" data-id=\"4d84bbc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-05a335d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"05a335d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\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>Plus r\u00e9cemment, vous pouvez lire de plus en plus sur les incidents de collecte de donn\u00e9es sur Facebook, LinkedIn ou Clubhouse. Mais qu\u2019est-ce qui se cache exactement derri\u00e8re cette collecte de donn\u00e9es ? On va vous le dire.  <\/p>\n","protected":false},"author":3,"featured_media":27330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-27331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>(Data) Extraction \u2013 Vos donn\u00e9es sont mes donn\u00e9es - Perseus Technologies<\/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:\/\/perseus.de\/fr\/data-extraction-vos-donnees-sont-mes-donnees\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"(Data) Extraction \u2013 Vos donn\u00e9es sont mes donn\u00e9es - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"Plus r\u00e9cemment, vous pouvez lire de plus en plus sur les incidents de collecte de donn\u00e9es sur Facebook, LinkedIn ou Clubhouse. 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