Standards · Energy

IEC 62351 Power systems management and associated information exchange – Data and communications security

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Summary

The IEC 62351 series defines the security of the communication protocols used in power systems: IEC 61850 substation communications (including GOOSE and Sampled Values), IEC 60870-5 and DNP3 telecontrol, and MMS and TCP/IP profiles with TLS. It also covers key and certificate management in power system equipment, role-based access control, network and system monitoring through dedicated data objects, and architecture guidelines for grids with distributed energy resources. It is the reference for transmission and distribution operators and for manufacturers of protection and grid automation equipment.

Reference
IEC 62351
Official title
Power systems management and associated information exchange – Data and communications security
Body
IEC – Technical committee: IEC TC 57/WG 15
Type
Series of standards
Status
Published
Published
Access to the text
Paid
Sectors
Notes
Further technical parts (62351-90 and 62351-100 series) are listed in the IEC catalogue. The date shown is that of the most recently published part, the second edition of part 8 (role-based access control), released on 22 July 2026.
Last verified
(verified via web)

Parts of the series

ReferenceOfficial titlePublished
IEC TS 62351-1:2007 (opens in a new tab)Communication network and system security – Introduction to security issues
IEC TS 62351-2:2008 (opens in a new tab)Glossary of terms
IEC 62351-3:2023 (opens in a new tab)Communication network and system security – Profiles including TCP/IP
IEC 62351-4:2018 (opens in a new tab)Profiles including MMS and derivatives
IEC 62351-5:2023 (opens in a new tab)Security for IEC 60870-5 and derivatives
IEC 62351-6:2020 (opens in a new tab)Security for IEC 61850
IEC 62351-7:2025 (opens in a new tab)Network and system management (NSM) data object models
IEC 62351-8:2026 (opens in a new tab)Role-based access control for power system management
IEC 62351-9:2023 (opens in a new tab)Cyber security key management for power system equipment
IEC TR 62351-10:2012 (opens in a new tab)Security architecture guidelines
IEC 62351-11:2016 (opens in a new tab)Security for XML documents
IEC TR 62351-12:2016 (opens in a new tab)Resilience and security recommendations for power systems with distributed energy resources (DER) cyber-physical systems
IEC TR 62351-13:2016 (opens in a new tab)Guidelines on security topics to be covered in standards and specifications

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