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OVE EN IEC 62443-4-2:2020
Security for industrial automation and control systems -- Part 4-2: Technical security requirements for IACS components (IEC 62443-4-2:2019) (english version)
This part of IEC 62443 uses the seven basic requirements (FR) according to IEC TS 62443-1-1 to define detailed technical requirements for components of automation systems (CR), including the requirements for the achievable security levels and their components, SL-C (Component). According to the definition in IEC TS 62443-1-1, there are a total of seven basic requirements (FR): a) Identification and authentication (IAC), b) Usage control (UC), c) System integrity (SI), d) Confidentiality of the data ( DC), e) restricted data flow (RDF), f) timely response to events (TRE), and g) availability of resources (RA).
Austrian Standards Institute [on]