MFA Challenge Failed During Authentication
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About the rule
Rule Type
Standard
Rule Description
Flags sign-in attempts where MFA was prompted but not successfully completed
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "DETECTION_ACTION_M365_MFA_EXPLICITLY_DENIED_BY_AN_USER" select Action1.CALLER,Action1.APPLICATIONNAME,Action1.IPADDRESS,Action1.COUNTRYCODE,Action1.ERRORCODE,Action1.RESULT
Detection
Execution Mode
realtime
Log Sources
Microsoft 365
