Identity Architecture

Practical strategies for maintaining immutable identifier architecture internally while working within SaaS platform constraints that require email as the primary identifier.

Email addresses as identifiers create security risks, audit gaps, and technical debt. Learn the three-layer approach to proper identity management.

If you missed my last post on what makes something an identity, start there — it sets the groundwork. This piece goes deeper: how to architect identity as the control plane for enterprises running cloud workloads and autonomous agents. This isn’t theory. It’s about production identity architectures that handle millions of authentications, thousands of microservices, and the new security challenges of AI agents. Whether you’re securing traditional enterprise apps, cloud-native services, or agent-driven workflows, the patterns here offer a roadmap — from where most organizations are today to where identity is heading. ...