Annex A 8.22
Segregation of networks
Groups of information services, users and systems are segregated in networks.
What an assessor looks for
Show the segregation design and evidence it is enforced rather than intended. Guest, operational technology and management networks receive particular attention.
Where it usually fails
Segregation exists on the diagram while permissive rules between segments make it ineffective.
Classification
- Theme
- A.8 Technological
- Control type
- Preventive
- Security properties
- Confidentiality, Integrity, Availability
- Cybersecurity concepts
- Protect
- ISO 27001:2013 equivalent
- 13.1.3
Control number and title are identifiers used as references. The classification above is our own analysis, aligned to the shape of the ISO 27002 attribute model rather than reproduced from it, and no text from the standard appears on this page. Last reviewed 2026-08-03.
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