Change to Authentication Method

Title: Change to Authentication Method
Status: test
Description:Change to authentication method could be an indicator of an attacker adding an auth method to the account so they can have continued access.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts
Author: AlertIQ
Date: 2021-10-10
modified:2022-12-25
Tags:

• -'attack.privilege-escalation'
• -'attack.credential-access'
• -'attack.defense-impairment'
• -'attack.t1556'
• -'attack.persistence'
• -'attack.t1098'

Logsource:

• product: azure
• service: auditlogs

Detection:
  selection:
    LoggedByService: 'Authentication Methods'
    Category: 'UserManagement'
    OperationName: 'User registered security info'
  condition:selection
Falsepositives:
  -Unknown
Level: medium