Dive into the world of TLS certificates with this comprehensive 2.5-hour video series. Explore various aspects of TLS/SSL security, including certificate pinning, types of certificates, and the role of Certificate Authorities. Learn about the importance of SSL/TLS certificates in securing web communications and understand their inner workings. Examine recent developments such as changes in certificate validity periods and China's blocking of TLS 1.3 with ESNI. Discover advanced topics like On Demand TLS, certificate revocation techniques, and the new Encrypted Client Hello TLS extension. Finally, gain practical knowledge on configuring TLS and HTTPS options in Microsoft IIS.