Free working template
Network Segmentation Workbook
A practical worksheet for trust zones, permitted flows, owners, exceptions and validation.
Network Segmentation Workbook
A practical worksheet for trust zones, permitted flows, owners, exceptions and validation.
- Organisation
- ________________________________
- Owner
- ________________________________
- Version / date
- ________________________________
Zone inventory
Zone name, purpose, owner, data class, critical services and trust assumption.
Notes / evidence
Allowed flows
Source, destination, protocol, port, business reason and approving owner.
Notes / evidence
Control point
Firewall, identity proxy, service mesh, endpoint control or cloud security group.
Notes / evidence
Exception record
Reason, compensating control, expiry, owner and validation date.
Notes / evidence
Test evidence
Expected block/allow result, observed result, logs and corrective action.
Notes / evidence