A disabled user attempted to authenticate via SSO

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: AzureAD OR Azure SignIn Log OR Idira OR Duo OR Okta OR OneLogin OR PingOne
Detection Modules	Identity Analytics
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	Valid Accounts: Domain Accounts (T1078.002)
Severity	Informational

Description

A disabled user attempted to authenticate via SSO.

Attacker's Goals

Use an account that was possibly compromised in the past to gain access to the network.

Investigative actions

• Confirm that the activity is benign (e.g. the user returned from a long leave of absence).
• Check whether you have issues with your Cloud Identity Engine failing to sync data from Active Directory.

Variations

A disabled user attempted to authenticate via SSO from a suspicious IP

Synopsis

Field	Value
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	Valid Accounts: Domain Accounts (T1078.002)
Severity	Low

Description

A disabled user attempted to authenticate via SSO.

Attacker's Goals

Use an account that was possibly compromised in the past to gain access to the network.

Investigative actions

• Confirm that the activity is benign (e.g. the user returned from a long leave of absence).
• Check whether you have issues with your Cloud Identity Engine failing to sync data from Active Directory.