Pillar Security
Track on RadarAI security platform protecting GenAI systems and agents across the lifecycle
- Total raised
- $9M
- Employees
- 30
- Founded
- 2023
- Momentum
- 38
Cooling
Data updated August 2026
About
About Pillar Security
At a glance
Pillar Security is a cybersecurity company specializing in AI Security, founded in 2023 and headquartered in Miami, United States. It has raised $9M in total funding, employs about 30 people, and is privately held.
Pillar Security provides a security platform designed to protect artificial intelligence systems throughout the AI software lifecycle. The company addresses security challenges specific to generative AI applications, including AI agents and large language model implementations. Their platform offers capabilities including AI asset discovery across source control, ML Ops, and data infrastructure to identify models, prompts, and datasets that may be unknown to security teams. The platform includes red teaming capabilities that test AI systems for vulnerabilities, adaptive guardrails that continuously optimize based on red teaming results, and protection mechanisms against prompt injection attacks, data leakage, and harmful content generation. Pillar's solution provides visibility into GenAI transactions and protects sensitive data while maintaining operational efficiency. The platform can be self-hosted on customer cloud infrastructure to maintain data control. Pillar Security serves enterprises across regulated industries including financial services and healthcare, as well as AI-native companies building agent-based systems. The company has discovered critical vulnerabilities in widely-used AI infrastructure tools, such as identifying a sandbox escape flaw in n8n that exposed enterprise AI systems. Pillar Security has received recognition from Frost & Sullivan as the 2025 Competitive Strategy Leader in the global generative AI security industry and has raised $9 million in seed funding led by Shield Capital.
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FAQ
Frequently asked questions about Pillar Security
When was Pillar Security founded?▾
Pillar Security was founded in 2023.
Where is Pillar Security headquartered?▾
Pillar Security is headquartered in Miami, United States.
How much funding has Pillar Security raised?▾
Pillar Security has raised a total of $9M in total funding.
Is Pillar Security public or private?▾
Pillar Security is a privately-held company.
How many employees does Pillar Security have?▾
Pillar Security has approximately 30 employees.