The Agentic Era Just Got the Authentication Model It Needs

The post argues that AI agents must move from long-lived API keys to workload identity federation and short-lived cryptographic credentials, highlighting Anthropic's support for federation as a turning point; it warns that stolen API keys enable financial and security abuse (citing Braintrust and broader "LLMjacking" activity) and outlines operational patterns enterprises should adopt—platform-neutral identity, on-behalf-of context, authorization beyond tokens, and dynamic authorization—to secure agentic deployments.