An Azure Firewall rule collection group was modified or deleted

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Azure Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Defense Impairment (TA0112)
ATT&CK Technique	Disable or Modify System Firewall: Cloud Firewall (T1686.001)
Severity	Informational

Description

An Azure Firewall rule collection group was modified or deleted. This could indicate a malicious actor attempting to bypass security measures.

Attacker's Goals

• Bypass security measures to gain access to cloud resources.

Investigative actions

• Check the Azure Firewall rule collection group to identify the modified or deleted rules.