OPC Unified Architecture - Part 2: Security Model

IEC TR 62541-2:2020 is available as IEC TR 62541-2:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62541-2:2020 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.

General Information

Status
Published
Publication Date
16-Nov-2020
Current Stage
PPUB - Publication issued
Start Date
14-Dec-2020
Completion Date
17-Nov-2020
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IEC TR 62541-2
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Edition 3.0 2020-11

TECHNICAL
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OPC unified architecture –
Part 2: Security Model
IEC TR 62541-2:2020-11(en)

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IEC TR 62541-2

®


Edition 3.0 2020-11




TECHNICAL



REPORT








colour

inside










OPC unified architecture –

Part 2: Security Model


























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– 2 – IEC TR 62541-2:2020 © IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 13
4 OPC UA security architecture . 13
4.1 OPC UA security environment . 13
4.2 Security objectives . 14
4.2.1 Overview . 14
4.2.2 Authentication. 15
4.2.3 Authorization . 15
4.2.4 Confidentiality . 15
4.2.5 Integrity .
...

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