better-auth-security-best-practices

Secure authentication flows by implementing rate limiting against brute-force attacks and enabling CSRF protection. These mechanisms block automated credential stuffing and prevent cross-site request forgery vulnerabilities on login endpoints.

Manage authentication secrets by configuring them through environment variables for production deployments. This ensures sensitive credentials remain outside the codebase and prevents unauthorized access to the authentication system.

Session management prevents hijacking by enforcing secure, timely session expiration and token validation. Properly configured session security ensures tokens are invalidated promptly and cannot be reused by malicious actors.

Harden OAuth social login integrations by validating state parameters, verifying tokens, and restricting authorized callback domains. This secures social login flows against authorization code interception and account takeover attacks.

Set up security auditing by configuring hooks for security monitoring and event logging. This tracks authentication events, captures IP addresses for IP-based security, and enables retrospective analysis of suspicious activities.

Rate limiting protects both registration and login endpoints against automated abuse. Applying rate limits across all authentication routes ensures comprehensive protection against spam account creation and credential stuffing attacks.