EN IEC 62443-4-2:2019/prAA

Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components

Scope

This document provides detailed technical control system component requirements (CRs) associated with seven foundational requirements (FRs) including defining the requirements for control system capability security levels and their components, SL-C(component).

The seven foundational requirements (FRs) are:

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).