In this episode, we dive into the rapidly evolving landscape of Google Cloud authentication as of March 2026, where identity-based attacks have become the primary threat to modern web applications. We explore the death of the static JSON key, the mandatory shift toward PKCE for web flows, and how Workload Identity Federation is finally solving the "Secret Zero" paradox. From the latest Mandiant M-Trends report to the deprecation of legacy Sign-In SDKs, this is the essential survival guide for developers building in a world where if you have a key, you’ve already lost.