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Microsoft.Directory/groups/members/update

Event

Adds or removes members from an Entra ID security group or Microsoft 365 group.

Security Context

  • Adding users to privileged groups is a common persistence technique that grants broad permissions while appearing as routine administration.

Log Source

Entra ID Audit Logs

Sample Event

MITRE ATT&CK Mapping

Tactics: Privilege Escalation Persistence

Techniques:
  • T1098 — Account Manipulation — Adversaries may manipulate accounts to maintain and/or elevate access to victim systems. Account manipulation may consist of any action that preserves or modifies adversary access to a compromised account, such as modifying credentials or permission groups.