Authentication method was added to Azure account

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	5 Days
Required Data	Requires one of the following data sources: Azure Audit Log OR Microsoft Graph Logs
Detection Modules	Cloud
Detector Tags	Microsoft Graph Activity Logs
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Modify Authentication Process (T1556)
Severity	Informational

Description

A new authentication method was added to an Azure AD user.

Attacker's Goals

Establish a backdoor for persistent access.

Investigative actions

• Review recent authentication attempts and access logs to detect any unauthorized activities or potential misuse of the newly added authentication method.
• Look for any unusual behavior originated from the suspected identity, and check if they're compromised.