IEC-62443-4-2 › Security for industrial automation and control systems - Part 4-2: Technical security requirements for IACS components

IEC-62443-4-2 - EDITION 1.0 - CURRENT


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Included in this current edition are the following subparts:

 EDITION 1.0 - Feb. 1, 2019
 ED. 1.0 CORRIGENDUM 1 - Sept. 1, 2022

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.
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Document Number

IEC 62443-4-2 Ed. 1.0 b:2019

Revision Level

EDITION 1.0

Status

Current

Publication Date

Feb. 1, 2019

Committee Number

65