Proofpoint Expands AI Security Offerings With Acuvity Acquisition

Proofpoint acquired AI security startup Acuvity to enhance visibility, governance, and enforcement for AI agents across endpoints, web browsers, and MCP servers, including support for locally installed tools such as OpenClaw, positioning the company to deliver comprehensive protection for the “agentic workspace.” The announcement follows Proofpoint’s $1.8B purchase of Hornetsecurity in December, which leadership described as a watershed deal that expands MSP opportunities in the U.S.