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CLC IEC/TR 62541-2:2021

OPC unified architecture - Part 2: Security Model

General information
Valid from 03.08.2021
Base Documents
IEC/TR 62541-2:2020; CLC IEC/TR 62541-2:2021
Directives or regulations
None
Standard history
Status
Date
Type
Name
03.08.2021
Main
04.10.2010
Main
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.
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