Explore common security threats and protective measures when building microservices using OAuth in this informative conference talk. Delve into high-profile API security breaches related to OAuth, examining implementation patterns for mobile apps, browser-based apps, and web server apps. Learn about the latest best practices in OAuth security being developed by the IETF OAuth working group. Discover insights on stolen access tokens, JSON Web Tokens, phishing emails, and OAuth prompts from various popular services. Gain valuable knowledge on identifying services and educating users to enhance overall security in OAuth implementations.