Periphery

Periphery is a UK-based cybersecurity startup founded in 2022/2023 that provides an easy-to-embed, military-grade threat management system for cyber-physical systems. The platform deploys lightweight AI agents directly on connected devices—drones, autonomous vehicles, semiconductors, and OEM hardware—that constantly monitor, understand, and adapt to new threats without requiring network connectivity. Periphery serves industries including defence, critical infrastructure, logistics (DHL, Maersk), and energy (Saudi Aramco), and is backed by Techstars. The company has expanded to San Francisco as AI moves to the edge, while maintaining its primary headquarters in Leeds, UK. Periphery is ISO/IEC 27001 certified and a member of the IoT Security Foundation.