1.4.5 Internal IP and routing information protected
The disclosure of internal IP addresses and routing information is limited to authorized parties.
5
artefacts
3
held by a system
1
at each review
easy
to go live
Endpoint management (MDM / EDR)
where the evidence lives
teal = a system already holds it · olive = produced at each review
system holds itEvidence a system already holds
- NAT configuration on perimeter devices · Endpoint management (MDM / EDR)
- Split DNS configuration · Cloud console / configuration management
- External scan showing no internal IPs leaked · Vulnerability scanner / patch tooling
periodic reviewEvidence produced at each review
- Header sanitisation evidence · Document repository
governing documentDocuments that govern the control
- Documented exceptions with approval · Document repository
First move
Automate the pull from your Endpoint management (MDM / EDR). Device compliance report from the MDM (encryption, EDR agent, OS version) on a daily pull.
Common gaps auditors find
- Internal IPs in email headers
- Verbose error pages leak hostnames
- No NAT in cloud egress
Do this for your whole sheet
Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.
Build my evidence sheet1.4.4 Account data not stored on internet-accessible systems · 1.5.1 Security controls on dual-connected computing devices