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SRPS CLC IEC/TR 62541-2:2021

OPC unified architecture - Part 2: Security Model

Dec 31, 2021

General information

90.93     Jan 5, 2026

90.00    Jan 5, 2031

ISS

N065

Technical Report

25.040.40     35.100.01  

English  

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Scope

This part of IEC 62541 describes the OPC Unified Architecture (OPC UA) security model. It describes the security threats of the physical, hardware, and software environments in which OPC UA is expected to run. It describes how OPC UA relies upon other standards for security. It provides definition of common security terms that are used in this and other parts of the OPC UA specification. It gives an overview of the security features that are specified in other parts of the OPC UA specification. It references services, mappings, and Profiles that are specified normatively in other parts of the OPC UA Specification. It provides suggestions or best practice guidelines on implementing security. Any seeming ambiguity between this part and one of the other normative parts does not remove or reduce the requirement specified in the other normative part.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS CLC/TR 62541-2:2012

NOW

PUBLISHED
SRPS CLC IEC/TR 62541-2:2021
90.93 Standard confirmed
Jan 5, 2026

Related project

Adopted from CLC IEC/TR 62541-2:2021

Adopted from IEC TR 62541-2:2020 ED3 IDENTICAL