{"id":98076,"date":"2019-12-13T16:47:32","date_gmt":"2019-12-14T00:47:32","guid":{"rendered":"\/blogs\/?p=98076"},"modified":"2022-02-26T01:22:59","modified_gmt":"2022-02-26T09:22:59","slug":"15-conseils-pour-creer-des-mots-de-passe-plus-securises","status":"publish","type":"post","link":"https:\/\/www.mcafee.com\/blogs\/fr-fr\/internet-security\/15-conseils-pour-creer-des-mots-de-passe-plus-securises\/","title":{"rendered":"15\u202fconseils pour cr\u00e9er des mots de passe plus s\u00e9curis\u00e9s"},"content":{"rendered":"<p><span data-contrast=\"auto\">Malgr\u00e9 des innovations\u00a0telles\u00a0que la reconnaissance\u00a0faciale\u00a0et la reconnaissance\u00a0d&#8217;empreintes\u00a0digitales, les mots de\u00a0passe\u00a0sont\u00a0toujours\u00a0une\u00a0\u00e9tape\u00a0oblig\u00e9e\u00a0de la\u00a0connexion\u00a0\u00e0\u00a0nos\u00a0comptes\u00a0en\u00a0ligne. On\u00a0estime\u00a0qu&#8217;un\u00a0employ\u00e9\u00a0moyen\u00a0passe\u00a0environ\u00a0<\/span><a href=\"https:\/\/jumpcloud.com\/blog\/password-fatigue\/\"><span data-contrast=\"none\">10\u202fheures par an<\/span><\/a><span data-contrast=\"auto\"> \u00e0 se connecter \u00e0 des comptes. Il n&#8217;est donc pas \u00e9tonnant que tant d&#8217;utilisateurs d\u00e9clarent \u00eatre lass\u00e9s des mots de passe.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Toutefois,\u00a0<\/span><a href=\"https:\/\/blog.lastpass.com\/2019\/05\/passwords-still-problem-according-2019-verizon-data-breach-investigations-report.html\/\"><span data-contrast=\"none\">81\u202f% des fuites de donn\u00e9es<\/span><\/a><span data-contrast=\"auto\">\u00a0sont\u00a0encore\u00a0caus\u00e9es\u00a0par des pirates\u00a0exploitant\u00a0des mots de\u00a0passe\u00a0faibles\u00a0ou\u00a0r\u00e9utilis\u00e9s. Il\u00a0est\u00a0donc\u00a0essentiel\u00a0de ne pas\u00a0c\u00e9der\u00a0\u00e0 la\u00a0facilit\u00e9\u00a0et de\u00a0rendre\u00a0nos\u00a0mots de\u00a0passe\u00a0plus\u00a0s\u00e9curis\u00e9s.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Tout\u00a0d&#8217;abord,\u00a0prenez\u00a0le temps\u00a0d&#8217;apprendre\u00a0pourquoi\u00a0les pirates\u00a0parviennent\u00a0si\u00a0facilement\u00a0\u00e0\u00a0percer\u00a0les mots de\u00a0passe\u00a0faibles.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h2><b><span data-contrast=\"auto\">Voici\u00a0comment les pirates\u00a0proc\u00e8dent\u202f:<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h2>\n<h3><b><span data-contrast=\"auto\">Attaque\u00a0par\u00a0dictionnaire<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Lors d&#8217;une attaque par dictionnaire, l&#8217;attaquant utilise un script qui passe en revue les mots du dictionnaire, en les combinant avec des chiffres et d&#8217;autres variations, jusqu&#8217;\u00e0 ce qu&#8217;il d\u00e9termine votre mot de passe. C&#8217;est pourquoi il est si important d&#8217;avoir un mot de passe complexe qui ne peut \u00eatre devin\u00e9 en\u00a0<\/span><a href=\"https:\/\/www.useapassphrase.com\/\"><span data-contrast=\"none\">une fraction de seconde<\/span><\/a><span data-contrast=\"auto\">\u00a0\u00e0\u00a0l&#8217;aide\u00a0d&#8217;outils\u00a0de\u00a0cassage\u00a0de mot de\u00a0passe\u00a0t\u00e9l\u00e9charg\u00e9s\u00a0sur Internet,\u00a0tels\u00a0que\u00a0<\/span><a href=\"http:\/\/en.wikipedia.org\/wiki\/John_the_Ripper\"><span data-contrast=\"none\">John the Ripper<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Pour vous prot\u00e9ger des attaques par dictionnaire, \u00e9vitez les combinaisons de lettres qui se suivent sur un clavier, comme par exemple \u00ab\u202fazerty\u202f\u00bb ou \u00ab\u202fqsdfg\u202f\u00bb. N&#8217;utilisez pas de mots se trouvant dans le dictionnaire, de mots d&#8217;argot, de mots avec des fautes d&#8217;orthographes courantes ou de mots \u00e9pel\u00e9s \u00e0 l&#8217;envers. <\/span><br \/>\n<span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Craquage de questions de s\u00e9curit\u00e9<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Lorsque vous cliquez sur un lien \u00ab\u202fmot de passe oubli\u00e9\u202f\u00bb, une question ou s\u00e9rie de questions vous est souvent pos\u00e9e. Evitez d&#8217;utiliser les noms des membres de votre famille ou de vos animaux de compagnie dans vos r\u00e9ponses, ainsi que toute information se trouvant sur votre profil de r\u00e9seau social. N&#8217;oubliez pas que les r\u00e9ponses ne doivent pas forc\u00e9ment \u00eatre vraies, mais uniquement faciles \u00e0 m\u00e9moriser. Choisissez donc des r\u00e9ponses au hasard que les pirates seront incapables de deviner.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Mots de passe simples et r\u00e9utilisation de mots de passe\u202f:<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Cela semble difficile \u00e0 croire, mais \u00ab\u202f123456\u202f\u00bb et \u00ab\u202f111111\u202f\u00bb font encore partie des\u00a0<\/span><a href=\"https:\/\/edition.cnn.com\/2019\/04\/22\/uk\/most-common-passwords-scli-gbr-intl\/index.html\"><span data-contrast=\"none\">mots de passe les plus utilis\u00e9s<\/span><\/a><span data-contrast=\"auto\">, ce qui leur assure d&#8217;\u00eatre d\u00e9couverts quasi instantan\u00e9ment. A la place, choisissez un mot de passe complexe et n&#8217;utilisez pas d&#8217;informations personnelles telles que votre nom, votre \u00e2ge, votre date de naissance, le nom de votre enfant ou de votre animal de compagnie, ou encore votre couleur ou votre chanson pr\u00e9f\u00e9r\u00e9e, car ces informations sont faciles \u00e0 deviner.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">De nos jours, nous devrions savoir qu&#8217;il ne faut jamais r\u00e9utiliser nos mots de passe, en particulier pour les comptes de messagerie \u00e9lectronique, de banque en ligne ou de r\u00e9seaux sociaux, car cela peut mener \u00e0 un vol d&#8217;identit\u00e9. Pourtant,\u00a0<\/span><a href=\"https:\/\/www.darkreading.com\/informationweek-home\/password-reuse-abounds-new-survey-shows\/d\/d-id\/1331689\"><span data-contrast=\"none\">plus de la moiti\u00e9<\/span><\/a><span data-contrast=\"auto\">\u00a0d&#8217;entre nous continuent \u00e0 le faire.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><span data-ccp-props=\"{}\">\u00a0<\/span><b><span data-contrast=\"auto\">Ing\u00e9nierie sociale<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">L&#8217;ing\u00e9nierie sociale est un type de mensonge tr\u00e8s \u00e9labor\u00e9. Alternative au piratage traditionnel, elle consiste \u00e0 manipuler des personnes pour les pousser \u00e0 effectuer certaines actions ou \u00e0 divulguer des informations confidentielles.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Comment s\u00e9curiser vos mots de passe\u202f:<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<ol>\n<li><span data-contrast=\"auto\"> Utilisez un<\/span><b><span data-contrast=\"auto\">gestionnaire de mots de passe<\/span><\/b><span data-contrast=\"auto\">qui peut cr\u00e9er des mots de passe fiables et complexes et les m\u00e9moriser pour vous. Si vous choisissez un\u00a0<\/span><a href=\"https:\/\/www.mcafee.com\/consumer\/en-us\/store\/m0\/catalog\/mtp_521\/mcafee-total-protection.html\"><span data-contrast=\"none\">logiciel de s\u00e9curit\u00e9 robuste<\/span><\/a><span data-contrast=\"auto\">, il inclura peut-\u00eatre un gestionnaire de mots de passe.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ol>\n<ol start=\"2\">\n<li><span data-contrast=\"auto\"> Si vous n&#8217;utilisez pas de gestionnaire de mots de passe, d\u00e9couvrez comment<\/span><b><span data-contrast=\"auto\">utiliser des expressions de mots de passe<\/span><\/b><span data-contrast=\"auto\">plus longues et plus complexes que les mots de passe traditionnels, mais faciles \u00e0 m\u00e9moriser. Un phrase secr\u00e8te est g\u00e9n\u00e9ralement une cha\u00eene de mots entrecoup\u00e9e de chiffres et de symboles. Par exemple, la phrase \u00ab\u202fMoby Dick de Melville comprend plus de 94\u202f000 mots\u202f\u00bb peut devenir \u00ab\u202fMD\/Mc+d9*4000mts!!\u202f\u00bb.<\/span><\/li>\n<\/ol>\n<ol start=\"3\">\n<li><span data-contrast=\"auto\"> Vous pouvez \u00e9galement utiliser le clavier comme une palette pour cr\u00e9er des formes. Par exemple, essayez de taper \u00ab\u202f(tgbHU8\u202f\u00bb sur votre clavier. Cela trace un V. Vous pouvez tracer un V en commen\u00e7ant avec n&#8217;importe quelle touche de la rang\u00e9e du haut. Pour modifier p\u00e9riodiquement ces mots de passe, vous pouvez r\u00e9p\u00e9ter ce sch\u00e9ma en vous d\u00e9pla\u00e7ant sur la gauche ou sur la droite sur le clavier. Vous pouvez m\u00eame essayer de tracer un W si vous voulez vous amuser.<\/span><\/li>\n<\/ol>\n<ol start=\"4\">\n<li><span data-contrast=\"auto\"> Assurez-vous d&#8217;utiliser des mots de passe diff\u00e9rents pour chacun de vos comptes.<\/span><\/li>\n<li><span data-contrast=\"auto\"> V\u00e9rifiez que personne ne regarde par-dessus votre \u00e9paule lorsque vous saisissez votre mot de passe. D\u00e9connectez-vous toujours lorsque vous vous \u00e9loignez de votre \u00e9quipement et que quelqu&#8217;un se trouve dans les parages. Quelques minutes suffisent pour d\u00e9rober ou modifier un mot de passe.<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Utilisez un logiciel de s\u00e9curit\u00e9 complet<\/span><\/b><span data-contrast=\"auto\">et mettez-le \u00e0 jour r\u00e9guli\u00e8rement pour \u00e9chapper aux\u00a0<\/span><a href=\"http:\/\/home.mcafee.com\/VirusInfo\/Glossary.aspx#K\"><span data-contrast=\"none\">enregistreurs de frappe<\/span><\/a><span data-contrast=\"auto\">\u00a0et autres\u00a0<\/span><a href=\"http:\/\/home.mcafee.com\/VirusInfo\/Glossary.aspx#M\"><span data-contrast=\"none\">logiciels malveillants<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ol>\n<ol start=\"7\">\n<li><span data-contrast=\"auto\"> Evitez de saisir des mots de passe sur des ordinateurs que vous ne contr\u00f4lez pas (par exemple, les ordinateurs disponibles dans les biblioth\u00e8ques ou les caf\u00e9s), car des logiciels malveillants peuvent y \u00eatre install\u00e9s dans le but de d\u00e9rober votre mot de passe.<\/span><\/li>\n<\/ol>\n<ol start=\"8\">\n<li><span data-contrast=\"auto\"> Evitez de saisir des mots de passe lorsque vous utilisez une connexion Wi-Fi non s\u00e9curis\u00e9e (dans un a\u00e9roport ou un caf\u00e9, par exemple), car les pirates peuvent intercepter les mots de passe et les donn\u00e9es envoy\u00e9s \u00e0 l&#8217;aide de connexions non s\u00e9curis\u00e9es.<\/span><\/li>\n<\/ol>\n<ol start=\"9\">\n<li><span data-contrast=\"auto\"> Ne partagez votre mot de passe avec personne. Cet ami \u00e0 qui vous faites confiance pourrait un jour cesser d&#8217;\u00eatre votre ami. Gardez vos mots de passe en s\u00e9curit\u00e9 en les gardant pour vous.<\/span><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">En fonction du caract\u00e8re sensible des informations prot\u00e9g\u00e9es, vous devriez modifier vos mots de passe r\u00e9guli\u00e8rement.<\/span><br \/>\n<span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ol start=\"10\">\n<li><span data-contrast=\"auto\"> Ce n&#8217;est pas grave d&#8217;\u00e9crire un mot de passe sur un papier. Assurez-vous seulement de le ranger loin de votre ordinateur et de dissimuler le mot de passe au milieu d&#8217;autres lettres et chiffres, afin qu&#8217;on ne voie pas clairement qu&#8217;il s&#8217;agit d&#8217;un mot de passe.<\/span><\/li>\n<\/ol>\n<ol start=\"11\">\n<li><span data-contrast=\"auto\"> Vous pouvez \u00e9galement \u00e9crire une \u00ab\u202ffeuille d&#8217;indice\u202f\u00bb qui vous donne un indice pour vous rappeler votre mot de passe, mais sans vous le donner directement. Pour l&#8217;exemple ci-dessus, vous pouvez ainsi \u00e9crire \u00ab\u202fMelville\u202f\u00bb sur votre feuille d&#8217;indice.<\/span><\/li>\n<\/ol>\n<ol start=\"12\">\n<li><span data-contrast=\"auto\"> V\u00e9rifiez le niveau de s\u00e9curit\u00e9 de votre mot de passe. Si le site sur lequel vous vous inscrivez propose un analyseur de niveau de s\u00e9curit\u00e9 du mot de passe, tenez compte de ses conseils.<\/span><\/li>\n<\/ol>\n<p><i><span data-contrast=\"auto\">Robert Siciliano est consultant aupr\u00e8s de McAfee et sp\u00e9cialiste du vol d&#8217;identit\u00e9. Il vous explique\u00a0<\/span><\/i><a href=\"http:\/\/www.youtube.com\/watch?v=efM4cBtkrOo\"><i><span data-contrast=\"none\">comment vous prot\u00e9ger contre le vol d&#8217;identit\u00e9\u00a0<\/span><\/i><\/a><i><span data-contrast=\"auto\">sur CounterIdentityTheft.com.<\/span><\/i><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Malgr\u00e9 des innovations\u00a0telles\u00a0que la reconnaissance\u00a0faciale\u00a0et la reconnaissance\u00a0d&#8217;empreintes\u00a0digitales, les mots de\u00a0passe\u00a0sont\u00a0toujours\u00a0une\u00a0\u00e9tape\u00a0oblig\u00e9e\u00a0de la\u00a0connexion\u00a0\u00e0\u00a0nos\u00a0comptes\u00a0en\u00a0ligne. On\u00a0estime\u00a0qu&#8217;un\u00a0employ\u00e9\u00a0moyen\u00a0passe\u00a0environ\u00a010\u202fheures par an \u00e0 se connecter \u00e0 des comptes&#8230;.<\/p>\n","protected":false},"author":674,"featured_media":97591,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11956,11941,11881],"tags":[16288],"coauthors":[3973,16309],"class_list":["post-98076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips-tricks","category-internet-security","category-family-safety","tag-vol-didentite-fr-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15\u202fconseils pour cr\u00e9er des mots de passe plus s\u00e9curis\u00e9s | Blog McAfee<\/title>\n<meta name=\"description\" content=\"Malgr\u00e9 des innovations\u00a0telles\u00a0que la 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