Defending the digital frontier.
PerimeterOne was founded on a single conviction: that enterprise security should be autonomous, intelligent, and uncompromising. We build AI-powered defense systems that don’t just detect threats—they neutralize them.
Legacy security is reactive. Threats are not.
Traditional cybersecurity operates on a detect-and-respond model that was designed for a slower, less sophisticated threat landscape. Analysts are overwhelmed by alert fatigue. Rules-based systems miss novel attack vectors. Response times are measured in hours—adversaries move in seconds.
The attack surface is expanding exponentially: cloud infrastructure, remote workforces, SaaS applications, IoT devices, and AI-powered threats. The old perimeter is gone. The new perimeter is everywhere.
Autonomous defense. Zero-trust enforced. Always on.
PerimeterOne replaces reactive security with autonomous, AI-driven defense. Our platform continuously analyzes network behavior, identifies anomalies, and takes immediate action—without waiting for human intervention.
We enforce zero-trust at every layer: every user, every device, every request is verified. Our adaptive intelligence evolves with your environment, learning what’s normal so it can instantly recognize what isn’t.
Core Principles
Security First
Every architectural decision starts with security. It is not a feature we add—it is the foundation we build on.
Intelligence Over Rules
Static rules fail against adaptive adversaries. Our AI learns, reasons, and evolves to stay ahead of emerging threats.
Radical Transparency
We believe trust is earned through openness. Our practices, policies, and security posture are documented and accessible.
Zero Latency Defense
Threats don’t wait. Neither do we. Autonomous response in milliseconds, not minutes.
Built by defenders.
A team of security engineers, AI researchers, and infrastructure architects who have spent careers defending enterprise environments.
James Doe
CEO & Founder
Former CISO at Fortune 50. 20 years in offensive and defensive security operations.
Sarah Kim
CTO
PhD Machine Learning, MIT. Built autonomous systems at NSA and leading AI labs.
Marcus Reid
Head of Engineering
Ex-Principal Engineer at cloud infrastructure providers. Specialist in zero-trust architectures.
Built different. By design.
Most security platforms bolt AI onto legacy architectures. We built ours from scratch with autonomous defense as the core primitive. The result is a platform that doesn’t just alert you to threats—it stops them.
We are not building another SIEM. We are not building another EDR. We are building the autonomous security layer that sits between your infrastructure and every threat actor on the planet.
PerimeterOne is headquartered in the United States and incorporated in Delaware. We are a team of security engineers, AI researchers, and infrastructure architects who have spent careers defending enterprise environments and are now building the tools we wished existed.