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Account Lockout

Authentication

Password Manager Account Takeover Rate Limiting Brute‑Force Attack

Temporarily blocking logins after too many wrong attempts.

Definition

Account lockout stops logins for a short time after many failed attempts.

In plain English Temporarily blocking logins after too many wrong attempts.

Why this matters

Why it matters: It slows brute-force attacks, but can be abused to block someone from their account.

Example

Example: After 10 wrong passwords, the account is locked for 15 minutes.