Vanta to acquire Pillar Security for a reported $150M to police AI agents at runtime
Vanta has agreed to acquire Pillar Security, the Israeli startup founded by Ziv Karliner and Dor Sarig in 2023, for a reported $150M. Pillar Security raised $9M before the deal, and Vanta plans to add its runtime controls to a platform used by more than 20,000 customers.
By RuntimeWire Staff · Published
Primary source: Ctech
Why it matters
Vanta already owns the governance record for more than 20,000 customers. Pillar Security gives Vanta a way to test agents before deployment and block unauthorized actions while they run, turning AI policy into operating evidence. For founders building security tools for agents, the deal shows where the budget is consolidating: inside platforms that already own the audit relationship.

Vanta signed a definitive agreement on November 9th, 2026 to acquire Pillar Security, the Israeli AI security startup founded in 2023 by Ziv Karliner and Dor Sarig, in a deal CTech values at approximately $150 million in cash and shares. Vanta and Pillar Security confirmed the agreement but did not disclose a purchase price.…
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