A Reference Architecture for Containing Agents: What Cequence Built and Anthropic Arrived At Independently

Anthropic released both a Zero Trust framework for deploying agents and its own internal agent containment methodology within weeks of each other, both converging on the same insight that effective controls cap agent capabilities rather than scrutinize communications or verify identity claims. Cequence CTO Shreyans Mehta describes how the company independently arrived at the same architectural conclusion — that the correct security boundary restricts what agents can accomplish, not what they say or who they claim to be. The post argues that enterprises hunting for prompt injection detection or gateway identity solutions are targeting the wrong problem.