IEC GUIDE 120:2023 is available as IEC GUIDE 120:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC Guide 120:2023 provides guidelines on the security aspects included in IEC publications, and how to implement them. These guidelines can be used as a checklist for the combination of publications used in implementation of systems. This document includes what is often referred to as "cybersecurity". This document excludes non-electrotechnical aspects of security such as societal security, except where they directly interact with electrotechnical security.