Explore the world of SSL certificates and Certificate Transparency in this 23-minute conference talk by Ian Foster. Dive into the unintended privacy implications of Certificate Transparency for both end-users and organizations. Learn about CertGraph, a new tool for uncovering and enumerating domains hidden in SSL certificate Alternative Names. Discover how CertGraph crawls internet-accessible certificates through exposed hosts and Certificate Transparency logs, creating visual graphs of certificates and domains. Gain insights into identifying internal and public domains, host enumeration, and misconfigured SSL certificates. Understand the background of Certificate Transparency, its importance in solving trust issues with Certificate Authorities, and how to protect yourself and your organization from potential privacy risks.