Pillar Security announced on November 9, 2026 that Vanta had signed a definitive agreement to acquire the AI security company. The planned deal would connect Pillar’s agent testing and runtime protection with Vanta’s Trust Graph, linking AI governance policies to the systems they are meant to control. Dor Sarig and Ziv Karliner founded Pillar in 2023 after concluding that AI would move beyond answering prompts to acting for organizations through data, tools and decisions. Pillar says its…
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Vanta Signs Deal to Acquire AI Security Firm Pillar Security