Auth0 Security Read about various security-related topics and keep up-to-date with released Auth0 security bulletins Security bulletins Auth0 Security Bulletins List of bulletins addressing security vulnerabilities in Auth0 software, with info on how to fix them. Handling tokens Where to Store Tokens Explains how to securely store tokens used in token-based authentication. Tokens Learn about the numerous types of tokens referenced in Auth0 documentation, what each is used for and how to use it. Preventing security attacks Common Threats and How to Prevent Them This page describes different types of cyber attacks and what steps can be taken to prevent them. Data privacy Blacklisting User Attributes How to blacklist user attributes that you do not want persisting in Auth0 databases.