{"id":51268,"date":"2026-02-23T10:06:04","date_gmt":"2026-02-23T09:06:04","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&#038;p=51268"},"modified":"2026-02-23T10:17:34","modified_gmt":"2026-02-23T09:17:34","slug":"structure-de-iec-62443-series","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-iec\/serie-iec-62443\/structure-de-iec-62443-series\/","title":{"rendered":"Comment la s\u00e9rie IEC 62443 est-elle structur\u00e9e ?"},"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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n            <\/div>\n                <\/div>\n        \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>L\u2019IEC 62443 est structur\u00e9e en quatre parties principales, chacune traitant d\u2019un aspect diff\u00e9rent de la cybers\u00e9curit\u00e9 industrielle :<\/p>\n<ul>\n<li>G\u00e9n\u00e9ralit\u00e9s<\/li>\n<li>Politiques &amp; Proc\u00e9dures<\/li>\n<li>Syst\u00e8me<\/li>\n<li>Composant<\/li>\n<\/ul>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    1. G\u00e9n\u00e9ralit\u00e9s (IEC 62443-1-x)    <\/h2>\n        <\/div>\n                <\/div>\n        \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>La partie <span style=\"color: #008080;\">G\u00e9n\u00e9ralit\u00e9s<\/span> fournit les concepts fondamentaux, la terminologie et les mod\u00e8les utilis\u00e9s dans l\u2019ensemble de la s\u00e9rie IEC 62443. Elle \u00e9tablit un langage commun et un cadre conceptuel pour toutes les parties prenantes impliqu\u00e9es dans la cybers\u00e9curit\u00e9 industrielle.<\/p>\n<p>Les \u00e9l\u00e9ments cl\u00e9s comprennent :<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>D\u00e9finitions des concepts essentiels de cybers\u00e9curit\u00e9 tels que zones, conduits, niveaux de s\u00e9curit\u00e9 et risque.<\/li>\n<li>Description des architectures typiques d\u2019automatisation industrielle et des environnements de menace.<\/li>\n<li>Introduction de la strat\u00e9gie de d\u00e9fense en profondeur pour les syst\u00e8mes industriels.<\/li>\n<li>Alignement des concepts de cybers\u00e9curit\u00e9 avec les consid\u00e9rations de s\u00e9curit\u00e9 fonctionnelle et de fiabilit\u00e9.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Cette partie est principalement informative et constitue l\u2019ossature conceptuelle de la norme. Elle garantit que toutes les parties prenantes \u2014 techniques et non techniques \u2014 partagent une compr\u00e9hension commune des principes de cybers\u00e9curit\u00e9 avant de passer \u00e0 la mise en \u0153uvre.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    2. Politiques &#038; Proc\u00e9dures (IEC 62443-2-x)    <\/h2>\n        <\/div>\n                <\/div>\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\/2\"\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\/2026\/02\/Immagine-2026-2-150x150.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 300px)\"\r\n                                width=\"300\"\r\n                                height=\"219\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2026\/02\/Immagine-2026-2-300x219.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 712px)\"\r\n                                width=\"712\"\r\n                                height=\"520\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2026\/02\/Immagine-2026-2.png.webp\"\r\n                                type=\"image\/webp\"\r\n                            \/>\r\n                                                                                <source\r\n                                media=\"(max-width: 712px)\"\r\n                                width=\"712\"\r\n                                height=\"520\"\r\n                                srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2026\/02\/Immagine-2026-2.png.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                                                        alt=\"L\u2019image repr\u00e9sente la structure de la s\u00e9rie IEC 62443\"\r\n                                                        srcset=\"https:\/\/www.gt-engineering.it\/wp-content\/uploads\/2026\/02\/Immagine-2026-2.png.webp\"\r\n                                                        title=\"Immagine 2026-2\"\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>La partie <span style=\"color: #008080;\">Politiques &amp; Proc\u00e9dures<\/span> se concentre sur les aspects organisationnels et manag\u00e9riaux de la cybers\u00e9curit\u00e9. Elle d\u00e9finit comment les entreprises doivent \u00e9tablir, g\u00e9rer et am\u00e9liorer en continu leurs programmes de cybers\u00e9curit\u00e9.<\/p>\n<p>Les principaux th\u00e8mes incluent :<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>La gouvernance de la cybers\u00e9curit\u00e9 et l\u2019attribution des responsabilit\u00e9s.<\/li>\n<li>Les processus d\u2019\u00e9valuation et de gestion des risques.<\/li>\n<li>La gestion des actifs et la gestion du cycle de vie des syst\u00e8mes.<\/li>\n<li>La r\u00e9ponse aux incidents, la gestion des correctifs (patch management) et la gestion des changements.<\/li>\n<li>Les exigences applicables aux prestataires de services et aux int\u00e9grateurs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Cette partie s\u2019adresse principalement aux propri\u00e9taires d\u2019actifs et aux prestataires de services, en veillant \u00e0 ce que la cybers\u00e9curit\u00e9 soit int\u00e9gr\u00e9e aux processus organisationnels plut\u00f4t que trait\u00e9e comme une simple question technique. Elle souligne que des syst\u00e8mes s\u00e9curis\u00e9s ne peuvent exister sans une gestion structur\u00e9e, du personnel form\u00e9 et des proc\u00e9dures document\u00e9es.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    3. Syst\u00e8me (IEC 62443-3-x)    <\/h2>\n        <\/div>\n                <\/div>\n        \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>La partie <span style=\"color: #008080;\">Syst\u00e8me<\/span> traite de la cybers\u00e9curit\u00e9 au niveau de l\u2019ensemble du syst\u00e8me d\u2019automatisation industrielle. Elle d\u00e9finit les exigences techniques pour la conception et la mise en \u0153uvre d\u2019architectures syst\u00e8me s\u00e9curis\u00e9es.<\/p>\n<p>Les concepts cl\u00e9s comprennent :<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Zones et conduits : regroupement d\u2019actifs ayant des exigences de s\u00e9curit\u00e9 similaires et contr\u00f4le des communications entre eux.<\/li>\n<li>Niveaux de s\u00e9curit\u00e9 (SL 1\u20134) : repr\u00e9sentant une r\u00e9sistance croissante face \u00e0 des acteurs de menace ayant des capacit\u00e9s et des motivations diff\u00e9rentes.<\/li>\n<li>Exigences de s\u00e9curit\u00e9 au niveau syst\u00e8me concernant le contr\u00f4le d\u2019acc\u00e8s, la segmentation du r\u00e9seau, l\u2019int\u00e9grit\u00e9 du syst\u00e8me, la surveillance et la disponibilit\u00e9.<\/li>\n<li>Int\u00e9gration s\u00e9curis\u00e9e de composants provenant de plusieurs fournisseurs.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Cette partie est particuli\u00e8rement pertinente pour les int\u00e9grateurs de syst\u00e8mes et les architectes en cybers\u00e9curit\u00e9, car elle traduit les objectifs organisationnels de s\u00e9curit\u00e9 en architectures techniques concr\u00e8tes.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n\n\n\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                    <div class=\"mb-6 relative w-full md:mb-4 lg:mb-8 xl:mb-9\">\n                \n        <div                class=\"m-headings\"\n            >\n    \n    \n<h2 class=\"a-heading text-primary font-heading text-lg lg:text-xl font-normal mt-2 first:mt-0\">\n                    4. Composant (IEC 62443-4-x)    <\/h2>\n        <\/div>\n                <\/div>\n        \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>La partie <span style=\"color: #008080;\">Composant<\/span> se concentre sur les produits individuels tels que les PLC, RTU, IHM, commutateurs industriels et composants logiciels. Elle d\u00e9finit :<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Les exigences relatives au cycle de d\u00e9veloppement s\u00e9curis\u00e9 pour les fournisseurs de produits.<\/li>\n<li>Les capacit\u00e9s techniques de s\u00e9curit\u00e9 que les composants doivent fournir, telles que l\u2019authentification, l\u2019autorisation, la communication s\u00e9curis\u00e9e et les contr\u00f4les d\u2019int\u00e9grit\u00e9.<\/li>\n<li>Les niveaux de capacit\u00e9 de s\u00e9curit\u00e9 align\u00e9s sur les exigences de s\u00e9curit\u00e9 au niveau syst\u00e8me.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Cette section garantit que les composants industriels sont con\u00e7us en tenant compte de la cybers\u00e9curit\u00e9 et peuvent \u00eatre int\u00e9gr\u00e9s de mani\u00e8re s\u00e9curis\u00e9e dans des syst\u00e8mes plus larges. Elle est particuli\u00e8rement pertinente pour les fabricants et les fournisseurs de produits.<\/p>\n<p>&nbsp;<\/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>L\u2019IEC 62443 est structur\u00e9e en quatre parties principales, chacune traitant d\u2019un aspect diff\u00e9rent de la cybers\u00e9curit\u00e9 industrielle<\/p>\n","protected":false},"author":2,"featured_media":51174,"parent":51244,"menu_order":2,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[165],"class_list":["post-51268","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 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment la s\u00e9rie IEC 62443 est-elle structur\u00e9e ? 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