← ISO 27001 · A.8 — Technological
A.8.22 — Segregation of networks
medium
network-securitysegregation
Requirement
Groups of information services, users and information systems shall be segregated in the organisation's networks.
What the engine looks for
Every group below must be satisfied — by an affirmative statement, not a plan, a hedge or a denial — for the control to count as covered. A term ending in … matches any word it begins. Supporting terms do not change the verdict — they raise confidence and distinguish a policy that names a mechanism from one that gestures at a category.
Required element 1 — any one of
segmentsegregat…vlansubnetvpcisolationsegmentationisolat…
Supporting terms — specificity signals
dmzprivate subnetsecurity groupzero trustmicrosegmentationenvironment separation
Equivalent controls elsewhere
Matched on shared topics. Satisfying this control usually moves these too.
| Framework | Control | Title | Shared topics |
|---|---|---|---|
| PCI DSS 4.0.1 | 1.3 | Restrict network access to and from the cardholder data environment | network-security segregation |
| NIST CSF 2.0 | PR.IR-01 | Networks and environments are protected from unauthorised logical access | network-security segregation |
| SOC 2 | CC6.6 | Boundary protection | network-security |
| PCI DSS 4.0.1 | 1.2 | Network security control configuration and review | network-security |
| PCI DSS 4.0.1 | 1.4 | Controls between trusted and untrusted networks | network-security |
| PCI DSS 4.0.1 | 6.4.1-6.4.2 | Public-facing web applications are protected against attacks | network-security |
| PCI DSS 4.0.1 | 6.5 | Change management and separation of environments | segregation |
| NIST CSF 2.0 | PR.DS-02 | Confidentiality, integrity and availability of data in transit | network-security |