Delegation, Not Authentication, Is the Hardest Identity Problem in Agentic AI

Khaled Zaky argues that the core security challenge in agentic AI is not proving who an agent is, but controlling how authority is delegated across multi-agent chains. Traditional OAuth models were built for pairwise exchanges, not for preserving intent, narrowing scope, and maintaining auditability across multiple hops. Emerging approaches such as transaction-bound tokens and explicit actor-principal separation point toward a better model. The broader lesson is that enterprise-grade agent systems require delegation-aware identity architecture, not just stronger authentication. 

https://khaledzaky.com/blog/delegation-is-the-real-identity-problem-in-agentic-ai

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