Elastic Security Detection Rules

Microsoft Entra ID Excessive Account Lockouts Detected

Last updated 25 days ago on 2025-11-13
Created 5 months ago on 2025-07-01

About

Identifies a high count of failed Microsoft Entra ID sign-in attempts as the result of the target user account being locked out. Adversaries may attempt to brute-force user accounts by repeatedly trying to authenticate with incorrect credentials, leading to account lockouts by Entra ID Smart Lockout policies.
Tags
Domain: CloudDomain: IdentityData Source: AzureData Source: Entra IDData Source: Entra ID Sign-in LogsUse Case: Identity and Access AuditUse Case: Threat DetectionTactic: Credential AccessLanguage: kuery
Severity
high
Risk Score
73
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ Brute Force (T1110)(opens in a new tab or window)

False Positive Examples
Automated processes that attempt to authenticate using expired credentials or have misconfigured authentication settings may lead to false positives.
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Threshold Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
filebeat-*logs-azure.signinlogs-*
Related Integrations

azure(opens in a new tab or window)

Query
event.dataset: "azure.signinlogs" and event.category: "authentication"
    and azure.signinlogs.category: ("NonInteractiveUserSignInLogs" or "SignInLogs")
    and event.outcome: "failure"
    and azure.signinlogs.properties.authentication_requirement: "singleFactorAuthentication"
    and azure.signinlogs.properties.status.error_code: 50053
    and azure.signinlogs.properties.user_principal_name: (* and not "")
    and not source.as.organization.name: "MICROSOFT-CORP-MSN-as-BLOCK"

Install detection rules in Elastic Security

Detect Microsoft Entra ID Excessive Account Lockouts Detected in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).