Behavior as the Credential: Why Static Auth Fails AI Agents

Traditional authorization hands a token to an AI agent and hopes for the best. But when an agent is hijacked via prompt injection, the static token offers zero defense. This post argues that behavior must become the credential—a real-time enforcement mechanism that treats observability as authorization, catching semantic anomalies that RBAC and ABAC simply cannot detect.

April 28, 2026 Â· Sai