{"id":6784,"date":"2024-03-04T16:07:00","date_gmt":"2024-03-04T15:07:00","guid":{"rendered":"https:\/\/ipsip.eu\/?p=6784"},"modified":"2025-06-03T10:48:26","modified_gmt":"2025-06-03T08:48:26","slug":"la-solution-de-chiffrement-de-vos-donnees-confidentielles","status":"publish","type":"post","link":"https:\/\/ipsip.eu\/fr\/la-solution-de-chiffrement-de-vos-donnees-confidentielles.htm","title":{"rendered":"La solution de chiffrement pour ne laisser personne acc\u00e9der \u00e0 vos donn\u00e9es confidentielles"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6784\" class=\"elementor elementor-6784\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1bda508a elementor-section-height-min-height elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-items-middle wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"1bda508a\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-933fbe0\" data-id=\"933fbe0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-617af8d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no\" data-id=\"617af8d4\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;none&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-2627ac18 elementor-invisible\" data-id=\"2627ac18\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-80e955a elementor-widget elementor-widget-heading\" data-id=\"80e955a\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" 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\">Cybers\u00e9curit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25e645b elementor-widget elementor-widget-wpr-post-title\" data-id=\"25e645b\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"wpr-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"wpr-post-title\">La solution de chiffrement pour ne laisser personne acc\u00e9der \u00e0 vos donn\u00e9es confidentielles<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-320966c elementor-widget elementor-widget-text-editor\" data-id=\"320966c\" data-element_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>IPSIP &#8211; Mars 2024<\/p>\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-62421e7 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"62421e7\" data-element_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>Aujourd\u2019hui, il est plus que n\u00e9cessaire de prot\u00e9ger ses <strong>syst\u00e8mes d\u2019information<\/strong>. Nous devons d\u2019ores et d\u00e9j\u00e0 respecter les <strong>normes de confidentialit\u00e9<\/strong> mais aussi nous pr\u00e9munir contre les cyberattaques, pouvant engendrer des <strong>fuites de donn\u00e9es colossales<\/strong> <strong>ou paralyser nos SI.<\/strong><\/p><p>Dans cet article, nous aborderons une des bonnes pratiques \u00e0 adopter d\u00e8s maintenant : la solution de <a style=\"color: #272727;\" href=\"https:\/\/ipsip.eu\/fr\/chiffrement-des-donnees\/\"> chiffrement des donn\u00e9es confidentielles.<\/a><\/p>\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-151e009 elementor-widget elementor-widget-heading\" data-id=\"151e009\" data-element_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\">Comment cette solution permet de rendre illisible les donn\u00e9es pour assurer leur confidentialit\u00e9 ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1076077 elementor-widget elementor-widget-heading\" data-id=\"1076077\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qu\u2019est-ce que le chiffrement de donn\u00e9es ?\n\n\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f19b0c elementor-widget elementor-widget-text-editor\" data-id=\"3f19b0c\" data-element_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><span style=\"font-weight: 400;\">Le chiffrement de donn\u00e9es consiste \u00e0 brouiller les donn\u00e9es dans un code secret qui ne peut \u00eatre d\u00e9verrouill\u00e9 qu&rsquo;avec une cl\u00e9 num\u00e9rique unique.<\/span><span style=\"font-weight: 400;\"> Il existe deux grandes m\u00e9thodes de chiffrement :\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">&#8211; le <strong>chiffrement sym\u00e9trique<\/strong>, avec lequel on chiffre et d\u00e9chiffre des messages \u00e0 l&rsquo;aide d&rsquo;un m\u00eame mot cl\u00e9. C&rsquo;est la plus ancienne m\u00e9thode de chiffrement. On retrouve des traces de son utilisation en \u00c9gypte Antique.<\/span><\/p><p><span style=\"font-weight: 400;\">&#8211; le <strong>chiffrement asym\u00e9trique<\/strong>, consid\u00e9r\u00e9 comme la m\u00e9thode plus s\u00fbre car tr\u00e8s difficilement corruptible que nous vous expliquons plus bas.<\/span><\/p><p><span style=\"font-weight: 400;\">\u201c<em>La gestion des cl\u00e9s est un processus crucial dans la configuration d\u2019un syst\u00e8me cryptographique, d\u2019autant plus complexe que le volume et la r\u00e9partition des donn\u00e9es et le nombre d\u2019acteurs impliqu\u00e9s sont importants.<\/em>\u201d &#8211; CNIL (Commission Nationale de l\u2019Informatique et des Libert\u00e9s) <\/span><\/p>\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-965304a elementor-widget elementor-widget-heading\" data-id=\"965304a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Cl\u00e9s publiques et cl\u00e9s priv\u00e9es : de quoi s'agit-il ? \n\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fab456e elementor-widget elementor-widget-text-editor\" data-id=\"fab456e\" data-element_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>La cryptographie asym\u00e9trique repose sur un mod\u00e8le \u00e0 deux cl\u00e9s, une cl\u00e9 publique et une cl\u00e9 priv\u00e9e, souvent repr\u00e9sent\u00e9es par un verrou (cl\u00e9 publique), la cl\u00e9 priv\u00e9e ouvre le verrou. La cl\u00e9 publique permet uniquement de chiffrer le document, la cl\u00e9 priv\u00e9e sert \u00e0 le d\u00e9chiffrer.<\/p><p>Le propri\u00e9taire de la cl\u00e9 priv\u00e9e peut r\u00e9cup\u00e9rer la cl\u00e9 publique pour avoir acc\u00e8s \u00e0 ses donn\u00e9es priv\u00e9es, en revanche l\u2019inverse est impossible car le principe est bas\u00e9 sur des op\u00e9rations math\u00e9matiques complexes. <\/p>\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-8c0a704 elementor-widget elementor-widget-image\" data-id=\"8c0a704\" data-element_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=\"512\" height=\"185\" src=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Cle-privee-et-publique.webp\" class=\"attachment-large size-large wp-image-6964\" alt=\"La solution de chiffrement : Cl\u00e9 priv\u00e9e et cl\u00e9 publique\" srcset=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Cle-privee-et-publique.webp 512w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Cle-privee-et-publique-300x108.webp 300w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Cle-privee-et-publique-18x7.webp 18w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\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 class=\"elementor-element elementor-element-83d30d8 elementor-widget elementor-widget-text-editor\" data-id=\"83d30d8\" data-element_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>Cr\u00e9dit : Kristy Moreland &#8211; Ledger Academy<\/p>\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-2c05fe6 elementor-widget elementor-widget-heading\" data-id=\"2c05fe6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Le chiffrement des donn\u00e9es suffit-il \u00e0 lui-m\u00eame pour prot\u00e9ger les donn\u00e9es ? \n\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc7e141 elementor-widget elementor-widget-text-editor\" data-id=\"dc7e141\" data-element_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>Maintenant que nous savons que le chiffrement de donn\u00e9es est une des pratiques essentielles pour prot\u00e9ger la confidentialit\u00e9 des informations sensibles, voyons ensemble comment des mauvais comportements peuvent nuire \u00e0 son efficacit\u00e9.<\/p>\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-dec81d2 elementor-widget elementor-widget-text-editor\" data-id=\"dec81d2\" data-element_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>Comment \u00eatre s\u00fbr que les \u201csecrets\u201d soient bien chiffr\u00e9s ?<\/p>\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-23dc9fa elementor-widget elementor-widget-text-editor\" data-id=\"23dc9fa\" data-element_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>Les <strong>secrets<\/strong> sont un terme sp\u00e9cifique en cybers\u00e9curit\u00e9 pour d\u00e9signer des <strong>donn\u00e9es sensibles<\/strong> qui ne doivent en aucun cas \u00eatre d\u00e9voil\u00e9es au risque de nuire \u00e0 l\u2019activit\u00e9 commerciale de l\u2019entreprise. On parle de <strong>mot de passe, de certificat API ou des certificats num\u00e9riques<\/strong> par exemple.<\/p>\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-15de9fd elementor-widget elementor-widget-text-editor\" data-id=\"15de9fd\" data-element_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>Un moyen de chiffrer des secrets est d\u2019utiliser le <strong>codage base64<\/strong>. C\u2019est un algorithme de conversion d\u2019un texte en une cha\u00eene de caract\u00e8res compos\u00e9es de lettres, de chiffres et de symboles.<\/p><p><em>Exemple :<\/em><\/p><p>Mot de passe : 123456<\/p><p>Encod\u00e9 en base64 : VGhpcyBpcyBhIhRlc482c2Q<\/p>\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-3e484ec elementor-widget elementor-widget-text-editor\" data-id=\"3e484ec\" data-element_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>Cependant, ce codage n\u2019est pas un moyen s\u00fbr car si quelqu\u2019un a acc\u00e8s au code de chiffrement base64, \u00e0 l\u2019aide d\u2019outils ou logiciels, il peut d\u00e9chiffrer le message secret et le lire. Il est donc recommand\u00e9 d\u2019utiliser un algorithme plus robuste tel que le chiffrement asym\u00e9trique que nous avons vu plus haut. <\/p>\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-e425906 elementor-widget elementor-widget-heading\" data-id=\"e425906\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Les dangers de confier les cl\u00e9s secr\u00e8tes \u00e0 des prestataires tiers.\n\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c86dca8 elementor-widget elementor-widget-text-editor\" data-id=\"c86dca8\" data-element_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>Lorsque l\u2019on stocke des donn\u00e9es dans un cloud public, nous utilisons les cl\u00e9s qui sont, par d\u00e9faut, g\u00e9r\u00e9es par le <strong>fournisseur cloud.<\/strong> <br \/>Vous pouvez par exemple utiliser un coffre-fort virtuel, le Vault. Souvent fourni par un fournisseur Cloud ou un prestataire externe, ce coffre-fort se pr\u00e9sente comme une solution compl\u00e9mentaire. Toutefois, il est important de noter les inconv\u00e9nients de cette m\u00e9thode : <\/p>\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-79e48a9 elementor-widget elementor-widget-text-editor\" data-id=\"79e48a9\" data-element_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<ul><li>Qui a acc\u00e8s \u00e0 vos donn\u00e9es ?<\/li><li>Certains acc\u00e8s sont-ils non autoris\u00e9s ?<\/li><li>Les conformit\u00e9s avec les r\u00e8gles de la protection des donn\u00e9es sont-elles respect\u00e9es ? <\/li><\/ul>\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-8e2f9e9 elementor-widget elementor-widget-text-editor\" data-id=\"8e2f9e9\" data-element_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>Prenons Microsoft Azure comme exemple :\u00a0<\/p>\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-d7d3044 elementor-widget elementor-widget-text-editor\" data-id=\"d7d3044\" data-element_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>En novembre 2023, Microsoft a r\u00e9v\u00e9l\u00e9 qu&rsquo;un groupe de pirates informatiques, connu sous le nom de Nobelium, avait cibl\u00e9 des clients utilisant Microsoft Azure.<\/p><p>Cons\u00e9quences de l&rsquo;attaque :\u00a0<\/p>\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-c7136fd elementor-widget elementor-widget-text-editor\" data-id=\"c7136fd\" data-element_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>Vol de donn\u00e9es sensibles :<\/strong> <br \/>Les pirates ont pu acc\u00e9der \u00e0 des donn\u00e9es sensibles stock\u00e9es dans Azure, y compris des <strong>noms d&rsquo;utilisateur<\/strong>, des <strong>mots de passe<\/strong> et des <strong>jetons d&rsquo;authentification.<br \/><\/strong><\/p><p><strong>Compromission de syst\u00e8mes informatiques :<\/strong><br \/><span style=\"font-weight: 400;\">Ils ont pu utiliser les comptes compromis pour acc\u00e9der aux syst\u00e8mes informatiques des clients et ex\u00e9cuter des commandes malveillantes.<br \/><br \/><strong>Perturbation des op\u00e9rations : <\/strong><br \/>L&rsquo;attaque a provoqu\u00e9 des pannes de service et des ralentissements importants.<br \/><\/span><\/p>\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-17e24c1 elementor-widget elementor-widget-spacer\" data-id=\"17e24c1\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ba99cf elementor-alert-info elementor-widget elementor-widget-alert\" data-id=\"3ba99cf\" data-element_type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">\ud83d\udca1 Attention<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Laissez votre cl\u00e9 de chiffrement sur votre bureau est une mauvaise id\u00e9e car elle est accessible par tous ! Si quelqu\u2019un s'infiltre sur\u00a0 votre ordinateur, il peut facilement la voler.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b3768c elementor-widget elementor-widget-spacer\" data-id=\"1b3768c\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35455ad elementor-widget elementor-widget-heading\" data-id=\"35455ad\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment renforcer la s\u00e9curit\u00e9 des cl\u00e9s de chiffrement ? \n\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fc493b elementor-widget elementor-widget-text-editor\" data-id=\"1fc493b\" data-element_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>La gestion des cl\u00e9s de chiffrement est essentielle pour la s\u00e9curit\u00e9 des donn\u00e9es sensibles. Sans oublier le respect des droits de la vie priv\u00e9e en vertu du <strong>R\u00e8glement G\u00e9n\u00e9ral sur la Protection des Donn\u00e9es<\/strong> (RGPD) \u00e0 prendre en compte dans cette gestion.<\/p><p>On peut opter pour un <strong>bo\u00eetier<\/strong> <strong>HSM<\/strong> (Hardware Security Module) qui va nous permettre de stocker vos cl\u00e9s cryptographiques et ainsi prot\u00e9ger nos secrets contre les fuites de donn\u00e9es ou les actions malveillantes. Les bo\u00eetiers HSM offrent un <strong>niveau de s\u00e9curit\u00e9 \u00e9lev\u00e9<\/strong> pour la protection des cl\u00e9s cryptographiques. Ils sont essentiels pour les applications qui n\u00e9cessitent une protection maximale des donn\u00e9es sensibles.<\/p><p>Voici quelques exemples de cas d\u2019utilisation des boitiers HSM :<\/p>\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-19abbec elementor-widget elementor-widget-text-editor\" data-id=\"19abbec\" data-element_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<ul><li>Chiffrement des donn\u00e9es pour prot\u00e9ger des acc\u00e8s non autoris\u00e9s comme nous l\u2019avons vu<\/li><li>Signature num\u00e9rique pour signer des documents et des transactions. Cela permet de garantir l\u2019authenticit\u00e9 et l\u2019int\u00e9grit\u00e9 des donn\u00e9es.<\/li><li>Authentification requises des utilisateurs et des appareils pour prot\u00e9ger les syst\u00e8mes informatiques. <\/li><\/ul>\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-46cf2b3 elementor-widget elementor-widget-text-editor\" data-id=\"46cf2b3\" data-element_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>Vous avez alors la possibilit\u00e9 de vous procurer d\u2019un <strong>HSM local<\/strong>, g\u00e9n\u00e9ralement prot\u00e9g\u00e9 physiquement, que vous pouvez d\u00e9ployer dans votre propre infrastructure. Toutefois, cette m\u00e9thode est quelque peu co\u00fbteuse et n\u00e9cessite un contr\u00f4le complet et permanent en interne.<\/p><p>Autrement, il est souvent plus avantageux de faire appel \u00e0 un fournisseur de <strong>boitier Cloud HSM<\/strong>. Le HSM sera bas\u00e9 sur un cloud fourni en tant que service offrant simplicit\u00e9 et agilit\u00e9 a un co\u00fbt adapt\u00e9 \u00e0 vos besoins.<\/p>\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-7ee01f9 elementor-widget elementor-widget-heading\" data-id=\"7ee01f9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Comment DuoKey innove pour s\u00e9curiser la gestion des clefs de chiffrement et renforcer votre cybers\u00e9curit\u00e9 ?\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9e648c elementor-widget elementor-widget-text-editor\" data-id=\"e9e648c\" data-element_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>Vous vous demandez \u00e0 pr\u00e9sent comment mettre en place des pratiques de gestion de cl\u00e9s de chiffrement s\u00e9curis\u00e9es et \u00e0 qui faire appel ?<\/p><p><img decoding=\"async\" class=\"wp-image-6976 aligncenter\" src=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-300x124.webp\" alt=\"Logo Duokey\" width=\"178\" height=\"73\" srcset=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-300x124.webp 300w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-1024x424.webp 1024w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-768x318.webp 768w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-1536x636.webp 1536w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-2048x848.webp 2048w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/DuoKey-Logo-RGB-18x7.webp 18w\" sizes=\"(max-width: 178px) 100vw, 178px\" \/> DuoKey est une solution innovante qui vous permettra de g\u00e9rer vos cl\u00e9s de chiffrement de mani\u00e8re s\u00e9curis\u00e9e, pour une protection des donn\u00e9es maximum tout en respectant les r\u00e9glementations et r\u00e8gles de conformit\u00e9 (RGPD, HIPPA, etc).<\/p>\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-d69c623 elementor-widget elementor-widget-text-editor\" data-id=\"d69c623\" data-element_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>Ses sp\u00e9cificit\u00e9s :<\/p>\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-e5faf43 elementor-widget elementor-widget-text-editor\" data-id=\"e5faf43\" data-element_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>DuoKey offre une solution de gestion de cl\u00e9s qui se base sur la technologie : <strong>MPC (Multi-Party Computation)<\/strong>\u00a0une m\u00e9thode cryptographique qui permet de s\u00e9parer la cl\u00e9 en plusieurs parties et de les stocker dans des lieux s\u00e9par\u00e9s. L&rsquo;int\u00e9r\u00eat de cette m\u00e9thode c&rsquo;est qu&rsquo;aucun HSM n&rsquo;est n\u00e9cessaire. On peut stocker un bout de la cl\u00e9 dans n&rsquo;importe quel cloud. M\u00eame si ce cloud est pirat\u00e9, personne ne pourra faire quoi que ce soit avec un bout de la cl\u00e9.<\/p>\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-1b5c4d7 elementor-widget elementor-widget-image\" data-id=\"1b5c4d7\" data-element_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 decoding=\"async\" width=\"572\" height=\"583\" src=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Capture-decran-2024-01-25-a-2.45.47\u202fPM-copie.webp\" class=\"attachment-large size-large wp-image-6981\" alt=\"Multi-Party Computation\" srcset=\"https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Capture-decran-2024-01-25-a-2.45.47\u202fPM-copie.webp 572w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Capture-decran-2024-01-25-a-2.45.47\u202fPM-copie-294x300.webp 294w, https:\/\/ipsip.eu\/wp-content\/uploads\/2024\/03\/Capture-decran-2024-01-25-a-2.45.47\u202fPM-copie-12x12.webp 12w\" sizes=\"(max-width: 572px) 100vw, 572px\" \/>\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 class=\"elementor-element elementor-element-52e5278 elementor-widget elementor-widget-text-editor\" data-id=\"52e5278\" data-element_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>Cr\u00e9dit : DuoKey<\/p>\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-6cc9866 elementor-widget elementor-widget-spacer\" data-id=\"6cc9866\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8d85a4 elementor-widget elementor-widget-text-editor\" data-id=\"b8d85a4\" data-element_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>DuoKey se charge de vous aider \u00e0 <strong>g\u00e9rer vos cl\u00e9s de chiffrement<\/strong> de mani\u00e8re <strong>s\u00e9curis\u00e9e<\/strong> et <strong>efficace<\/strong>, que vous souhaitez stocker vos cl\u00e9s en <strong>HSM local<\/strong>, d\u2019un <strong>Cloud HSH<\/strong> ou en <strong>MPC (Multi-party Computation)<\/strong>.<\/p><p>Avec une solution comme DuoKey, vous pourrez prendre en main la gestion de la confidentialit\u00e9 de vos donn\u00e9es secr\u00e8tes. Vous aurez \u00e0 la fois un contr\u00f4le total sur les acc\u00e8s \u00e0 vos donn\u00e9es et mais aussi sur le stockage des cl\u00e9s.<\/p>\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-ebb6b89 elementor-widget elementor-widget-heading\" data-id=\"ebb6b89\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Ce qu'il faut retenir <\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff99241 elementor-widget elementor-widget-text-editor\" data-id=\"ff99241\" data-element_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>La protection des donn\u00e9es sensibles dans les environnements applicatifs d&rsquo;aujourd&rsquo;hui est une mission complexe mais cruciale.<\/p>\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-64eb278 elementor-widget elementor-widget-text-editor\" data-id=\"64eb278\" data-element_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>Le chiffrement, bien que fondamental, n\u00e9cessite une approche r\u00e9fl\u00e9chie et, pour aller plus loin, envisager la mise en place de solutions de double chiffrement comme DuoKey. Elles offrent une protection suppl\u00e9mentaire, tout en garantissant le contr\u00f4le total sur vos cl\u00e9s de chiffrement.<\/p><p>Toutes m\u00e9thodes choisies pour garantir la s\u00e9curit\u00e9 de vos cl\u00e9s doivent <strong>\u00eatre guid\u00e9es<\/strong> par vos besoins sp\u00e9cifiques en mati\u00e8re de s\u00e9curit\u00e9.<\/p><p>Restez vigilant, adaptez-vous aux \u00e9volutions technologiques, et faites de la s\u00e9curit\u00e9 des donn\u00e9es une priorit\u00e9 constante. Votre entreprise, et la confiance de vos clients, en seront les b\u00e9n\u00e9ficiaires directs.<\/p>\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-e250d16 elementor-widget elementor-widget-text-editor\" data-id=\"e250d16\" data-element_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>Contactez nos sp\u00e9cialistes, ils feront avec vous un bilan de vos besoins en protection de vos donn\u00e9es.<\/p>\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-8bced13 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"8bced13\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/research.typeform.com\/to\/dd0DBiyt\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Etre contact\u00e9 par IPSIP d\u00e8s maintenant pour discuter de mes besoins<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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-9d60e7b elementor-widget elementor-widget-spacer\" data-id=\"9d60e7b\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La solution de chiffrement de vos donn\u00e9es confidentielles : d\u00e9couvrez dans cet article la bonne pratique \u00e0 adopter d\u00e8s maintenant ! <\/p>\n","protected":false},"author":4,"featured_media":7100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[14],"class_list":["post-6784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurite","tag-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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