Pillar Security
Overview
Pillar Security is an AI security startup based in Tel Aviv, Israel. The company was founded in October 2023 by Dor Sarig and Ziv Karliner. It specializes in providing comprehensive security solutions for AI-integrated software systems, helping enterprises protect AI applications throughout their lifecycle from development to deployment. As of April 2025, Pillar Security has raised $9 million in seed funding, led by Shield Capital with participation from Golden Ventures, Ground Up Ventures, and other strategic investors.
Recent Developments
- April 2025: Pillar Security announced that it raised $9 million in a seed funding round led by Shield Capital, with participation from Golden Ventures, Ground Up Ventures, and several strategic angel investors. This funding is intended to expand their research and development efforts and bolster their go-to-market strategies. The funds will also support the tripling of their workforce by the end of 2025.
- The company has developed a platform that provides end-to-end security for AI-driven software systems, addressing gaps in traditional cybersecurity tools which are becoming less effective against advanced AI-specific threats like evasion attacks, data poisoning, and intellectual property leakage.
- Pillar Security’s platform integrates seamlessly with existing organizational infrastructures, mapping AI assets, and proactively deploying guardrails that mitigate risks associated with AI software applications. Their aim is to redefine application security to align with the evolving demands of the 'Intelligence Age'.
- Dor Sarig, CEO and co-founder, highlighted the importance of foundational security that is integrated into the AI lifecycle, contrasting traditional reactive approaches.
- The company’s platform and technology have been recognized by several leading AI-driven enterprises such as Similarweb, Eleos Health, and AvidXchange as critical infrastructure for secure AI deployment.
- In line with their mission to set new benchmarks in AI security, Pillar Security was recently cited in the LLM and GenAI Security Landscape Guide 2025.
Company Information
| Attribute | Information |
|---|---|
| Founding Date | October 2023 |
| Headquarters | Tel Aviv, Israel |
| Founders | Dor Sarig & Ziv Karliner |
| Revenue | N/A |
| Profits | N/A |
| Key Investors | Shield Capital, Golden Ventures, Ground Up Ventures |
| Industry | AI Security |
| Number of Employees | 10 (expected to grow to 30 by the end of 2025) |
Early History
Pillar Security was founded in October 2023 by Dor Sarig and Ziv Karliner, aiming to address the burgeoning need for advanced AI security solutions. Recognizing that traditional security measures were inadequate for the complexities of AI software systems, they developed a platform that offers end-to-end protection throughout the AI lifecycle. The company was initially funded through private investments and focused its efforts on integrating real-world AI threat intelligence to boost its security offerings. Within its first year, Pillar Security made significant strides in research and development, positioning itself as a pivotal player in the AI security domain.
Company Profile and Achievements
Pillar Security's business model revolves around providing state-of-the-art security solutions that are specifically engineered for AI-integrated environments. Key aspects of their platform include:
- End-to-End Security Solutions: Comprehensive protection across every stage of the AI application lifecycle.
- AI Intelligence Integration: Incorporates real-time AI threat intelligence to anticipate and neutralize security threats.
- Customized Guardrails: Adaptive measures tailor-made to fit specific risk profiles and operational objectives of their clients.
- Holistic Approach: Beyond pinpointing vulnerabilities, they offer systematic remediation strategies, helping businesses maintain secure operational environments.
Achievements:
- Recognized as a pioneering force in AI security, Pillar Security’s solutions are adopted by top-tier multinational corporations and cutting-edge tech firms like Similarweb and Eleos Health.
- The company has been lauded for its innovative security framework, which has raised the bar for how AI applications are protected against evolving cyber threats.
- Recently named a representative vendor in the 2025 Gartner® Market Guide for AI TRiSM and spotlighted in what is considered industry-leading AI security reports.
Current Operations and Market Position
Pillar Security is actively advancing its platform capabilities to address growing concerns about AI application security. Utilizing data from over 50 million interactions, they are able to offer detailed threat modeling and tailor their security measures to protect an array of unique AI applications. Their real-world AI threat intelligence enables them to stay ahead of potential breaches and maintain robust security across complex AI ecosystems. With their platform's ability to seamlessly integrate into existing infrastructures, Pillar is setting new standards and benchmarks in AI security.
Conclusion
Pillar Security stands at the forefront of AI security innovation, driving the evolution of enterprise protection strategies in the age of intelligent software. By leveraging comprehensive threat intelligence and adaptive security modeling, they are uniquely positioned to safeguard the burgeoning landscape of AI applications. As they continue to grow and expand their influence across industries reliant on AI, Pillar Security is set to play a critical role in shaping how organizations balance innovation with cyber resilience. Through strategic partnerships and continuous research advancements, the company aims to revolutionize the AI security framework and ensure robust protection for their global clientele.