Microsoft 365
TMA-M365-5.2.3.8
Ensure that Account 'Lockout threshold' is '10' or less
Mô tả
The account lockout threshold determines how many failed login attempts are permitted prior to placing the account in a locked-out state and initiating a variable lockout duration. The recommended Lockout threshold is 10 or less. Account lockout is a method of protecting against brute-force and password spray attacks. Once the lockout threshold has been exceeded, the account enters a locked- out state which prevents all login attempts for a variable duration. The lockout in combination with a reasonable duration reduces the total number of failed login attempts that a malicious actor can execute in a given period of time.
Cách kiểm tra
Phương pháp kiểm tra: Xem xét thủ công
To audit using the UI: 1. Navigate to Microsoft Entra admin center https://entra.microsoft.com/. 2. Expand Entra ID > Authentication methods and select Password protection. 3. Verify that Lockout threshold is set to 10 or less. To audit using the Microsoft Graph API: 1. Execute a GET request to the following relative URI: v1.0/groupSettings 2. Filter to Password Rule settings, where templateId is 5cf42378-d67d-4f36- ba46-e8b86229381d 3. Verify that LockoutThreshold is 10 or less.
Cách khắc phục
Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng
To remediate using the UI: 1. Navigate to Microsoft Entra admin center https://entra.microsoft.com/. 2. Expand Entra ID > Authentication methods and select Password protection. 3. Set Lockout threshold to 10 or less. Note: In hybrid environments using pass-through authentication (PTA), Microsoft recommends to configure the AD DS account lockout threshold to be at least two to three times greater than the value set here to ensure Entra smart lockout activates before AD DS lockout.
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- Tham chiếu
- CIS Microsoft 365 Foundations Benchmark v7.0.0 - 5.2.3.8 Ensure that Account 'Lockout threshold' is '10' or less