First SSO access from ASN in organization

Cortex XDR Analytics Alert Reference by Alert name

Product

Cortex XDR

Last date published

2024-10-08

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 Duo OR Google Workspace Authentication OR Okta OR OneLogin OR PingOne
Detection Modules	Identity Analytics
Detector Tags
ATT&CK Tactic	Initial Access (TA0001)
ATT&CK Technique	Valid Accounts: Domain Accounts (T1078.002)
Severity	Informational

An SSO authentication was made with a new ASN.

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

Confirm that the activity is benign (e.g. the provider or location is allowed or a new user).
Verify if the ASN is an approved ASN to authenticate from.
Follow further actions done by the user.

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

An SSO authentication was made with a new ASN.

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

Confirm that the activity is benign (e.g. the provider or location is allowed or a new user).
Verify if the ASN is an approved ASN to authenticate from.
Follow further actions done by the user.

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

An SSO authentication was made with a new ASN.

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

Confirm that the activity is benign (e.g. the provider or location is allowed or a new user).
Verify if the ASN is an approved ASN to authenticate from.
Follow further actions done by the user.