prSRPS EN IEC 62443-3-3:2019/AA:2024

Industrial communication networks - Network and system security - Part 3-3: System security requirements and security levels

Scope

This part of the IEC 62443 series provides detailed technical control system requirements (SRs) associated with the seven foundational requirements (FRs) including defining the requirements for control system capability security levels, SL C (control system).
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).