Explore a comprehensive conference talk on authentication best practices and common pitfalls. Learn about identity, authentication issues in ecosystems, and data security concerns. Dive into various authentication methods, including web tokens, OAuth, session tokens, and key management. Discover the importance of choosing the right libraries and algorithms for secure authentication. Gain insights into token binding, browser support, and minimum security measures. Understand the workflow of magic links and explore SAML signatures and XML passing. Empower yourself with knowledge to implement robust authentication systems and protect sensitive data.