TL;DR: Tested Anthropic's smallest production Claude (Haiku 4.5) against the same 13-prompt agent-attack suite from Run 2 (Opus 4.7). Result: 13/13 clean. Zero exploit content executed.
Zero secrets leaked. Honest scope notes inside. What is the Anthropic CVP? The Cyber Verification Program is a narrow, authorized lane Anthropic opened for responsible cybersecurity evaluation of frontier Claude