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Pillar Security
Pillar Security provides a unified platform to identify, assess, and mitigate security risks across the entire AI agent lifecycle.
Pillar Security is a cybersecurity company based in IL, founded in 2023.
Overview
Pillar Security offers a unified AI security platform designed to secure the "agentic workforce" by providing visibility and control over AI ecosystems [0, 1]. Founded in 2023, the company enables organizations to identify, assess, and mitigate security risks throughout the entire AI lifecycle, including protection against threats like shadow AI, prompt injection, and data exfiltration [0, 1]. Its technology provides capabilities for real-time threat detection, runtime protection, compliance auditing, and adversarial red teaming to test AI tool orchestration and permission structures [0]. Pillar serves a customer base that includes Fortune 500 companies and AI-focused startups [0]. The platform translates organizational governance policies into technical controls, allowing teams to manage data sovereignty, model access, and third-party integrations across complex AI environments [0]. The company, led by co-founders Dor Sarig and Ziv Karliner, aims to empower enterprises to deploy AI safely by harmonizing security with operational innovation [1]. Pillar’s approach is rooted in expertise from offensive cybersecurity, military intelligence, and data science, ensuring protection for both internal and vendor-supplied AI systems [1].
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In the news
Questions and answers
What does Pillar Security do?
Pillar Security provides a unified platform to identify, assess, and mitigate security risks across the entire AI agent lifecycle.
When and where was Pillar Security founded?
Pillar Security was founded in 2023 and is based in IL.
Sources
- 1.Vanta to acquire Israeli AI security startup Pillar for $150 million | Ctech — calcalistech.com
- 2.Vanta to Acquire Pillar Security, Adding AI Agent Testing and Runtime Protection — citybiz, Nov 9, 2026
- 3.Vanta to Acquire Pillar Security to Turn AI Policy Into Practice — Yahoo! Finance, Nov 9, 2026
- 4.Vanta To Acquire Pillar Security To Expand AI Agent Protection As Customer Base Surpasses 20,000 — Pulse 2.0, Nov 9, 2026
- 5.Pillar Security · Official
- 6.Pillar Security · Official
- 7.Pillar Security · Official