Hush Security shifts AI security focus to agent identities after funding

Cybersecurity firm Hush Security announced on Tuesday it has secured $30 million in Series A funding. The round was led by existing investors Battery Ventures and YL Ventures, with Akamai Technologies joining as a strategic investor. The capital will support the company's engineering, sales, and enterprise integration efforts.

Hush Security argues that the enterprise AI security landscape has significantly shifted. Organizations are moving beyond experimenting with generative AI assistants and are increasingly deploying autonomous software agents, which necessitate a different security approach. The company posits that identity, rather than the AI models themselves, is becoming the critical control plane for enterprise AI security.

CEO Micha Rave explained that customer inquiries have evolved from securing machine identities to understanding how to safely operate AI agents within production systems. This urgency was highlighted by a recent incident where an autonomous agent reportedly breached Hugging Face's systems.

The company's solution, termed "Identity Gateway," aims to address these challenges by providing a control plane for AI agent access. It allows organizations to discover agents, assign them unique identities, link them to human owners, broker permissions for specific tasks, and maintain audit logs, thereby enforcing principles like "least agency."