zt_net_018 — NSG allows all outbound traffic to the Internet¶
Summary
Severity: Medium · Pillar: Network · Chain role: AMPLIFIER
Description¶
Network Security Groups that permit unrestricted outbound traffic to the Internet enable data exfiltration and command-and-control communication. Outbound traffic should be restricted to known destinations and ports.
Mapping¶
| Framework | Control / Reference |
|---|---|
| NIST 800-53 | SC-7 |
| NIST 800-207 | Tenet 5 - Integrity monitored |
| CIS Azure | — |
| MITRE ATT&CK Technique | T1048 |
| MITRE ATT&CK Tactic | Exfiltration |
| Zero-Trust Tenet | Tenet 5 |
| Framework tags | nist-800-207, argus-zt |
Source¶
Rule defined at policies/azure/zt/network/zt_net_018.rego.