Active standard | Published: 27/02/2019

IEC 62443-4-2-ed.1.0

Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components
(Securite des systemes d´automatisation et de commande industrielles - Partie 4-2: Exigences de securite technique des composants IACS)

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Available design: electronic design (pdf), Print design, CD-ROM

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Detail information

Designation: IEC 62443-4-2-ed.1.0

Publication date: 27/02/2019

Pages: 192

Country: International technical standard

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Anotation

IEC 62443-4-2:2019 provides detailed technical control system component requirements (CRs) associated with the seven foundational requirements (FRs) described in IEC TS 62443-1-1 including defining the requirements for control system capability security levels and their components, SL-C(component). As defined in IEC TS 62443-1-1 there are a total of seven foundational requirements (FRs): a) identification and authentication control (IAC), b) use control (UC), c) system integrity (SI), d) data confidentiality (DC), e) restricted data flow (RDF), f) timely response to events (TRE), and g) resource availability (RA). These seven FRs are the foundation for defining control system security capability levels. Defining security capability levels for the control system component is the goal and objective of this document as opposed to SL-T or achieved SLs (SL-A), which are out of scope. The contents of the corrigendum of August 2022 have been included in this copy. IEC 62443-4-2:2019 indique les exigences relatives au composant (CR) dun systeme de commande technique ainsi que les sept exigences fondamentales (FR) decrites dans lIEC TS 62443-1-1, y compris la definition des exigences relatives aux niveaux de securite de capacite des systemes de commande et a leurs composants, SL-C(composant). Comme lindique lIEC TS 62443-1-1, il existe en tout sept exigences fondamentales (FR): a) controle didentification et dauthentification (IAC), b) controle dutilisation (UC), c) integrite du systeme (SI), d) confidentialite des donnees (DC), e) transfert de donnees limite (RDF), f) reponse appropriee aux evenements (TRE), et g) disponibilite des ressources (RA). Ces sept exigences fondamentales sont a la base de la definition des niveaux de capacite de securite des systemes de commande. Le present document a pour objet de definir les niveaux de capacite de securite du composant du systeme de commande, par opposition au SL-T ou aux niveaux de securite atteints (SL-A), qui nentrent pas dans le domaine dapplication. Le contenu du corrigendum daout 2022 a ete pris en consideration dans cet exemplaire.

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