Brute-force attempt on a local account

Synopsis

Activation Period	14 Days
Training Period	30 Days
Test Period	15 Minutes
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent
Detection Modules	Identity Analytics
ATT&CK Tactic	Credential Access (TA0006)
ATT&CK Technique	Brute Force (T1110)
Severity	Informational

Description

A local user account failed to log in multiple times in a short time period. This may indicate a brute-force attack.

Attacker's Goals

The attacker attempts to gain access to the account.

Investigative actions

Verify any successful authentication by the user account referenced by the alert, as these can indicate the attacker managed to guess the credentials.

Variations

Brute force on a local account

Synopsis

ATT&CK Tactic	Credential Access (TA0006)
ATT&CK Technique	Brute Force (T1110)
Severity	Low

Description

A local user account failed to log in multiple times in a short time period. This may indicate a brute-force attack.

Attacker's Goals

The attacker attempts to gain access to the account.

Investigative actions

Verify any successful authentication by the user account referenced by the alert, as these can indicate the attacker managed to guess the credentials.