Analytics BIOC Informational

GCP Firewall Rule Modification

A GCP firewall rule was modified. An attacker might use this technique to access restricted resources.

Module:
Cortex Cloud
Licensed by:
Cloud Runtime Security (CRS)
Data source:
Gcp Audit Log
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: Impair Defenses: Disable or Modify Cloud Firewall (T1562.007)
Attacker's goals:

Access restricted resources.

Investigative actions:

Check if there were any network attempts that fit the deleted rule. Check The cloud identity activity prior/after to the rule deletion.

Test period:
N/A (single event)
Deduplication:
3 Hours