As companies rush to deploy AI agents that can act independently across business systems, a new cybersecurity challenge is emerging: how to know who — or what — is taking action, and what access those digital workers should have.
Israeli cybersecurity startup Hush Security is tackling that challenge with a $30 million Series A funding round, bringing total investment in the company to $41 million. The round was joined by Akamai Technologies as a strategic investor, alongside existing investors Battery Ventures and YL Ventures, which both increased their commitments.
The funding comes less than a year after Hush emerged from stealth, as enterprises begin building what the company calls a “non-human workforce” of AI agents, service accounts and machine identities.
According to Gartner, the average Fortune 500 company is expected to operate more than 150,000 AI agents by 2028, compared with fewer than 15 just last year. But as adoption accelerates, many organizations lack the security frameworks needed to manage these autonomous systems. Research from Omdia found that 96% of organizations are running AI agents on governance models that were not designed for them.
Hush’s platform provides each AI agent with a managed digital identity, replacing permanent credentials and API keys with just-in-time access. Every agent is registered, linked to existing enterprise identity systems, granted only the permissions needed for a specific task, and continuously monitored. Organizations can track every action and revoke access when necessary.
The platform also helps companies discover both approved and unauthorized AI agents operating across desktops, cloud environments and enterprise platforms, while mapping the tools and resources they can access.
One of Hush’s customers is Kyndryl, the world’s largest IT infrastructure services provider, which has deployed the technology internally and begun offering it to enterprise customers.
“AI agents need strict identity, not just API keys,” said Micha Rave, CEO and co-founder of Hush Security. “We solved that for non-human identities, and now we are extending governance to AI agents.”
Hush was founded in 2024 by executives from Meta Networks, which was acquired by Proofpoint in 2019 for $120 million. The company plans to use the new funding to expand its engineering and sales teams, accelerate integrations with enterprise AI platforms, and strengthen partnerships in the growing AI security market.
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