Analytics Low

Account probing

A user failed to log in to multiple hosts it never accessed before in a short amount of time. This may indicate the account is compromised and an attacker is probing for a host it can access with those credentials.

Module:
Identity Analytics
Data source:
XDR Agent
ATT&CK tactics: Initial Access (TA0001) Credential Access (TA0006)
ATT&CK techniques: Valid Accounts (T1078) Brute Force (T1110)
Attacker's goals:

Gain access to hosts by using stolen user-account credentials.

Investigative actions:

Check if the user account was compromised, and which resources it could access.

Test period:
1 Hour
Deduplication:
1 Day