Vanta Acquires AI Security Startup Pillar Security For $150 Million

Vanta has signed a definitive agreement to acquire Israeli AI security startup Pillar Security for approximately $150 million in a cash-and-stock deal. Founded in 2023 by Ziv Karliner and Dor Sarig, Pillar develops technology that helps organizations identify AI systems, test them against attacks, monitor their behavior and block unauthorized actions in real time. Following the acquisition, Pillar’s team of more than 20 employees will join Vanta’s Israeli R&D center, with its technology integrated into Vanta’s platform throughout 2027 to expand the company’s AI security and governance capabilities.

AMOUNT: $150,000,000

HQ: San Francisco, California

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