Secure JWT Storage: Best Practices
JSON Web Tokens (JWTs) are crucial for securing data transmission in single-page applications (SPAs), but they come with security risks such as cross-site scripting (XSS) and cross-site request forgery (CSRF). Secure storage methods include using HttpOnly cookies with the Secure flag, encrypting JWTs before client-side storage, and employing server-side session management. Advanced practices like using web workers and Content Security Policies (CSPs) further enhance security. Continuous security audits and updates are necessary to maintain a secure SPA.