Sentra raises $150 million to govern what AI agents can access in corporate data

Sentra, a data security company founded in Israel, announced on November 4 that it has raised $150 million in a Series C round led by Capital One Ventures. Existing backers Bessemer Venture Partners, Zeev Ventures, Standard Investments, Munich Re Ventures and Key1 Capital also took part, and WireIsrael additionally lists 01 Advisors. A Capital One representative will join Sentra's board.

The bet on agent permissions

Sentra pitches its platform as a way to govern which enterprise data employees, applications and AI agents can touch. According to SiliconANGLE and Unite.AI, it discovers and classifies sensitive data, then builds a map of the people, service accounts and agents able to reach each dataset, including access gained through inherited permissions. It can remove stale or high-risk data, enforce least-privilege access for non-human identities, flag agents that reach for unusual sensitive information and automatically strip risky permissions or sharing. After an incident, it can show what an agent could have accessed. The company says analysis runs inside the customer's own environment, so sensitive data is not copied to Sentra.

The underlying argument is that AI agents and copilots are becoming heavy consumers of corporate data, often with broader access than they need. Sentra says only a small share of organisations currently have governance in place to control agent access, a claim that comes from the company and was not independently verified.

Company and funding history

Sentra was founded in 2021 by CEO Yoav Regev, Asaf Kochan, Ron Reiter and Yair Cohen; Regev and Kochan previously held senior roles in Israel's Unit 8200. WireIsrael reports that the company has about 130 employees, roughly half of them in Tel Aviv, and that Regev moved to New York to run US operations, with expansion planned in London and Europe.

The new round follows a $50 million Series B led by Key1 in April 2025 and brings total funding to more than $250 million, according to SiliconANGLE. Sentra did not disclose its valuation or revenue. It reports growth of more than 300% over the past year, without specifying the metric. Unite.AI names Lyft among its customers.

What the money is for

Sentra says it will spend the funds on deeper visibility into agents, copilots and models that touch sensitive data, faster containment when agents behave unexpectedly, and scaling its field and channel sales programmes, marketing and research and development. It also plans to enter new geographies. The descriptions of what the platform can do come from Sentra and the coverage of its announcement, not from independent testing.