spec checked

OWASP Authentication Cheat Sheet login throttling

Documents login throttling, account lockout thresholds, observation windows, lockout duration, exponential lockout, denial-of-service risk, CAPTCHA cautions, logging and monitoring, and password-manager guidance.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Login Choose login when the user has submitted credentials or an authenticator and the UI must show the result, next retry, lockout, or session-created state. Submitting credentials enters one clear verifying state and prevents duplicate submissions until the login result returns. OWASP supports login throttling, account lockout policy factors, exponential lockout, CAPTCHA cautions, and monitoring.

Evidence Role

This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: OWASP Cheat Sheet Series. Last checked: .