{"id":26229,"date":"2022-03-21T14:58:00","date_gmt":"2022-03-21T13:58:00","guid":{"rendered":"https:\/\/perseus.de\/vecteur-dattaque\/"},"modified":"2026-03-27T12:22:47","modified_gmt":"2026-03-27T11:22:47","slug":"vecteur-dattaque","status":"publish","type":"post","link":"https:\/\/perseus.de\/fr\/vecteur-dattaque\/","title":{"rendered":"Vecteur d&rsquo;attaque"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26229\" class=\"elementor elementor-26229 elementor-22088\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cab3f18 e-flex e-con-boxed e-con e-parent\" data-id=\"cab3f18\" 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-2a02b8b e-con-full e-flex e-con e-child\" data-id=\"2a02b8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-df1d412 e-con-full e-flex e-con e-child\" data-id=\"df1d412\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f80ded elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4f80ded\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Vecteur d'attaque<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d061a7 elementor-widget elementor-widget-image\" data-id=\"2d061a7\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png\" class=\"attachment-medium size-medium wp-image-25818\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-150x150.png 150w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-768x768.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\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-53a64bcb e-flex e-con-boxed e-con e-parent\" data-id=\"53a64bcb\" 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-623b76be e-con-full e-flex e-con e-child\" data-id=\"623b76be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e839854 elementor-widget elementor-widget-text-editor\" data-id=\"e839854\" 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<header class=\"Single__header Background Background--lightBlue\"><div class=\"container\"><div class=\"grid grid--size12 grid--size6D\"><div class=\"Share\"><p data-start=\"52\" data-end=\"306\">Un <strong data-start=\"56\" data-end=\"74\">vecteur d&rsquo;attaque<\/strong> d\u00e9signe la <strong data-start=\"90\" data-end=\"114\">voie ou la m\u00e9thode<\/strong> par laquelle une cyberattaque est lanc\u00e9e contre un syst\u00e8me ou une entreprise. Il s&rsquo;agit de la porte d&rsquo;entr\u00e9e utilis\u00e9e par les attaquants pour obtenir <strong data-start=\"238\" data-end=\"293\">un acc\u00e8s non autoris\u00e9 aux donn\u00e9es, aux r\u00e9seaux ou aux syst\u00e8mes<\/strong>. <\/p><h3 data-start=\"313\" data-end=\"344\"> <\/h3><h3 data-start=\"313\" data-end=\"344\">Qu&rsquo;est-ce que cela signifie en d\u00e9tail ?<\/h3><p data-start=\"346\" data-end=\"478\">Les vecteurs d&rsquo;attaque peuvent concerner aussi bien <strong data-start=\"377\" data-end=\"406\">des vuln\u00e9rabilit\u00e9s techniques<\/strong> que <strong data-start=\"416\" data-end=\"442\">des comportements humains<\/strong>. Les exemples typiques sont <\/p><ul data-start=\"480\" data-end=\"903\"><li data-start=\"480\" data-end=\"559\"><p data-start=\"482\" data-end=\"559\"><strong data-start=\"482\" data-end=\"502\">E-mails de phishing<\/strong>: les utilisateurs sont incit\u00e9s \u00e0 r\u00e9v\u00e9ler leur mot de passe<\/p><\/li><li data-start=\"560\" data-end=\"640\"><p data-start=\"562\" data-end=\"640\"><strong data-start=\"562\" data-end=\"578\">Ports ouverts<\/strong>: services accessibles via Internet sans protection.<\/p><\/li><li data-start=\"641\" data-end=\"725\"><p data-start=\"643\" data-end=\"725\"><strong data-start=\"643\" data-end=\"673\">les vuln\u00e9rabilit\u00e9s logicielles<\/strong>: par exemple, les syst\u00e8mes d&rsquo;exploitation ou les applications obsol\u00e8tes<\/p><\/li><li data-start=\"726\" data-end=\"796\"><p data-start=\"728\" data-end=\"796\"><strong data-start=\"728\" data-end=\"755\">Donn\u00e9es d&rsquo;acc\u00e8s vol\u00e9es<\/strong>: par des fuites ou des mots de passe non s\u00e9curis\u00e9s<\/p><\/li><li data-start=\"797\" data-end=\"846\"><p data-start=\"799\" data-end=\"846\"><strong data-start=\"799\" data-end=\"818\">Pi\u00e8ces jointes de logiciels malveillants<\/strong> dans les e-mails ou les t\u00e9l\u00e9chargements<\/p><\/li><li data-start=\"847\" data-end=\"903\"><p data-start=\"849\" data-end=\"903\"><strong data-start=\"849\" data-end=\"874\">Cl\u00e9s USB<\/strong> ou autres p\u00e9riph\u00e9riques externes <strong data-start=\"849\" data-end=\"874\">infect\u00e9s<\/strong> <\/p><\/li><\/ul><h3 data-start=\"910\" data-end=\"948\"> <\/h3><h3 data-start=\"910\" data-end=\"948\">O\u00f9 est-ce que je rencontre cela dans la vie quotidienne des PME ?<\/h3><p data-start=\"950\" data-end=\"1036\">Les vecteurs d&rsquo;attaque apparaissent souvent dans la vie quotidienne des petites et moyennes entreprises (PME) :<\/p><ul data-start=\"1038\" data-end=\"1263\"><li data-start=\"1038\" data-end=\"1088\"><p data-start=\"1040\" data-end=\"1088\">Lorsque les employ\u00e9s <strong data-start=\"1059\" data-end=\"1088\">ouvrent des pi\u00e8ces jointes non v\u00e9rifi\u00e9es<\/strong><\/p><\/li><li data-start=\"1089\" data-end=\"1136\"><p data-start=\"1091\" data-end=\"1136\">Si <strong data-start=\"1096\" data-end=\"1121\">aucune gestion des correctifs<\/strong> n&rsquo;est effectu\u00e9e<\/p><\/li><li data-start=\"1137\" data-end=\"1200\"><p data-start=\"1139\" data-end=\"1200\">Lorsque <strong data-start=\"1144\" data-end=\"1183\">les mots de passe<\/strong> sont utilis\u00e9s <strong data-start=\"1144\" data-end=\"1183\">plusieurs fois et de mani\u00e8re non s\u00e9curis\u00e9e<\/strong> <\/p><\/li><li data-start=\"1201\" data-end=\"1263\"><p data-start=\"1203\" data-end=\"1263\">Lorsque des prestataires de services externes utilisent <strong data-start=\"1230\" data-end=\"1256\">des connexions non s\u00e9curis\u00e9es<\/strong> <\/p><\/li><\/ul><h3 data-start=\"1270\" data-end=\"1290\"> <\/h3><h3 data-start=\"1270\" data-end=\"1290\">Mesures de protection :<\/h3><ul data-start=\"1292\" data-end=\"1591\"><li data-start=\"1292\" data-end=\"1371\"><p data-start=\"1294\" data-end=\"1371\"><strong data-start=\"1294\" data-end=\"1327\">Sensibilisation et formation<\/strong> des employ\u00e9s (par exemple contre le phishing)<\/p><\/li><li data-start=\"1372\" data-end=\"1437\"><p data-start=\"1374\" data-end=\"1437\"><strong data-start=\"1374\" data-end=\"1405\">Mises \u00e0 jour de s\u00e9curit\u00e9<\/strong> pour tous les syst\u00e8mes et logiciels<\/p><\/li><li data-start=\"1438\" data-end=\"1478\"><p data-start=\"1440\" data-end=\"1478\"><strong data-start=\"1440\" data-end=\"1476\">Pare-feu et surveillance du r\u00e9seau<\/strong><\/p><\/li><li data-start=\"1479\" data-end=\"1538\"><p data-start=\"1481\" data-end=\"1538\"><strong data-start=\"1481\" data-end=\"1536\">Mots de passe forts et authentification \u00e0 deux facteurs<\/strong><\/p><\/li><li data-start=\"1539\" data-end=\"1591\"><p data-start=\"1541\" data-end=\"1591\"><strong data-start=\"1541\" data-end=\"1591\">Droits d&rsquo;acc\u00e8s selon le principe du \u00ab\u00a0besoin de savoir<\/strong><\/p><\/li><\/ul><p data-start=\"1598\" data-end=\"1746\" data-is-last-node=\"\" data-is-only-node=\"\"> <\/p><p data-start=\"1598\" data-end=\"1746\" data-is-last-node=\"\" data-is-only-node=\"\"> <\/p><p data-start=\"1598\" data-end=\"1746\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"1598\" data-end=\"1607\">Conclusion<\/strong>: chaque vecteur d&rsquo;attaque est une vuln\u00e9rabilit\u00e9 potentielle. Les identifier et les s\u00e9curiser permet de r\u00e9duire consid\u00e9rablement le risque de cyber-attaque. <\/p><\/div><\/div><\/div><\/header>\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-cb1ddf2 e-flex e-con-boxed e-con e-parent\" data-id=\"cb1ddf2\" 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-89aaf93 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"89aaf93\" 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>Vecteur d&rsquo;attaque Un vecteur d&rsquo;attaque d\u00e9signe la voie ou la m\u00e9thode par laquelle une cyberattaque est lanc\u00e9e contre un syst\u00e8me ou une entreprise. Il s&rsquo;agit de la porte d&rsquo;entr\u00e9e utilis\u00e9e par les attaquants pour obtenir un acc\u00e8s non autoris\u00e9 aux donn\u00e9es, aux r\u00e9seaux ou aux syst\u00e8mes. Qu&rsquo;est-ce que cela signifie en d\u00e9tail ? Les vecteurs [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-26229","post","type-post","status-publish","format-standard","hentry","category-cyberlexique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vecteur d&#039;attaque - 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\/vecteur-dattaque\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vecteur d&#039;attaque - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"Vecteur d&rsquo;attaque Un vecteur d&rsquo;attaque d\u00e9signe la voie ou la m\u00e9thode par laquelle une cyberattaque est lanc\u00e9e contre un syst\u00e8me ou une entreprise. Il s&rsquo;agit de la porte d&rsquo;entr\u00e9e utilis\u00e9e par les attaquants pour obtenir un acc\u00e8s non autoris\u00e9 aux donn\u00e9es, aux r\u00e9seaux ou aux syst\u00e8mes. Qu&rsquo;est-ce que cela signifie en d\u00e9tail ? 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Il s&rsquo;agit de la porte d&rsquo;entr\u00e9e utilis\u00e9e par les attaquants pour obtenir un acc\u00e8s non autoris\u00e9 aux donn\u00e9es, aux r\u00e9seaux ou aux syst\u00e8mes. Qu&rsquo;est-ce que cela signifie en d\u00e9tail ? 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