{"id":36139,"date":"2023-06-12T09:02:18","date_gmt":"2023-06-12T08:02:18","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=36139"},"modified":"2023-07-10T10:43:24","modified_gmt":"2023-07-10T09:43:24","slug":"lobjectif-de-la-securite","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-iec\/iec-ts-63074-2023-aspects-de-securite-lies-a-la-securite-fonctionnelle\/lobjectif-de-la-securite\/","title":{"rendered":"L&rsquo;objectif de la s\u00e9curit\u00e9"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n        \n                    <div\n                class=\"h-auto mb-6 md:mb-4 lg:mb-8 xl:mb-9 float-left mr-6 md:mr-4 lg:mr-8 xl:mr-9  overflow-hidden shadow-content-image w-full md:w-1\/3\"\n            >\n                \r\n\r\n    \r\n        \r\n            \r\n                \r\n                    <picture\r\n                        class=\"\"\r\n                                            >\r\n                                                                                                        <source\r\n                                media=\"(max-width: 150px)\"\r\n                                width=\"150\"\r\n                                height=\"150\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/06\/expert-rouge-320x240-1-150x150.jpeg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                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media=\"(max-width: 320px)\"\r\n                                width=\"320\"\r\n                                height=\"240\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/06\/expert-rouge-320x240-1.jpeg.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                            <img\r\n                            class=\"a-image transparent border-image h-auto  w-full\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2023\/06\/expert-rouge-320x240-1.jpeg.webp\"\r\n                                                        title=\"Success Target\"\r\n                                                        type=\"image\/webp\"\r\n                        \/>\r\n                    <\/picture>\r\n\r\n                \r\n\r\n                    \r\n    \r\n            <\/div>\n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Commen\u00e7ons par sa d\u00e9finition :<\/p>\n<blockquote><p><em>[IEC TS 63074 : 2023[ 3.1.19 s\u00e9curit\u00e9<\/em><\/p><\/blockquote>\n<ol>\n<li>\n<blockquote><p><em>Mesures prises pour prot\u00e9ger un syst\u00e8me<\/em><\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><em>Etat d&rsquo;un syst\u00e8me r\u00e9sultant de la mise en place et du maintien de mesures de protection du syst\u00e8me<\/em><\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><em>Condition dans laquelle les ressources du syst\u00e8me sont libres de tout acc\u00e8s non autoris\u00e9 et de toute modification, destruction ou perte non autoris\u00e9e ou accidentelle<\/em><\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><em>La capacit\u00e9 d&rsquo;un syst\u00e8me informatique \u00e0 fournir une assurance suffisante que les personnes et les syst\u00e8mes non autoris\u00e9s ne peuvent ni modifier le logiciel et ses donn\u00e9es, ni acc\u00e9der aux fonctions du syst\u00e8me, tout en garantissant que les personnes et les syst\u00e8mes autoris\u00e9s ne peuvent pas en \u00eatre priv\u00e9s<\/em><\/p><\/blockquote>\n<\/li>\n<li>\n<blockquote><p><em>La pr\u00e9vention de la p\u00e9n\u00e9tration ill\u00e9gale ou non d\u00e9sir\u00e9e ou de l&rsquo;interf\u00e9rence avec le fonctionnement correct et pr\u00e9vu d&rsquo;une machine et de son syst\u00e8me de commande.<\/em><\/p><\/blockquote>\n<\/li>\n<\/ol>\n<p>D&rsquo;une mani\u00e8re g\u00e9n\u00e9rale, la s\u00e9curit\u00e9 est principalement ax\u00e9e sur la r\u00e9alisation de trois objectifs :<\/p>\n<ul>\n<li><strong>La disponibilit\u00e9<\/strong><\/li>\n<li><strong>L&rsquo;int\u00e9grit\u00e9\u00a0<\/strong><\/li>\n<li><strong>Confidentialit\u00e9<\/strong><\/li>\n<\/ul>\n<p>Les objectifs de s\u00e9curit\u00e9 sont par exemple :<\/p>\n<ul>\n<li><strong>La disponibilit\u00e9<\/strong> de la (des) machine(s), y compris les fonctions de s\u00e9curit\u00e9<\/li>\n<li><strong>L&rsquo;int\u00e9grit\u00e9<\/strong> contre les manipulations<\/li>\n<li><strong>La confidentialit\u00e9<\/strong> au moyen de m\u00e9thodes commun\u00e9ment accept\u00e9es par les communaut\u00e9s de la s\u00e9curit\u00e9 et de l&rsquo;automatisation industrielle ;<\/li>\n<\/ul>\n<p><strong>Par exemple<\/strong>, une attaque sur une fonction de s\u00e9curit\u00e9 d&rsquo;une machine telle qu&rsquo;elle affecte la disponibilit\u00e9 de la machine et peut entra\u00eener le contournement d&rsquo;une fonction de s\u00e9curit\u00e9. Les risques de s\u00e9curit\u00e9 seront \u00e9valu\u00e9s \u00e0 l&rsquo;aide d&rsquo;une \u00e9valuation des risques de s\u00e9curit\u00e9 afin d&rsquo;identifier les objectifs de s\u00e9curit\u00e9.<\/p>\n<p><strong>L&rsquo;\u00e9valuation des risques de s\u00e9curit\u00e9<\/strong> est bas\u00e9e sur un produit ou un syst\u00e8me dans son environnement, sur lequel les menaces et les vuln\u00e9rabilit\u00e9s connues sont identifi\u00e9es afin de d\u00e9river des contre-mesures de s\u00e9curit\u00e9 pertinentes.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>Commen\u00e7ons par sa d\u00e9finition :<\/p>\n","protected":false},"author":182,"featured_media":36140,"parent":36133,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[165],"class_list":["post-36139","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-iec"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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