Onity builds electronic access control. Founded in 1986, the company designs and deploys locking systems and mobile access technology for commercial properties worldwide. The threat model is physical: securing 30,000-plus properties across hotels, universities, senior living communities, commercial buildings, and self-storage facilities against unauthorized entry, with every door opening as a potential attack surface.
The scale is concrete. Onity has installed more than 5 million electronic locks and deployed over 4 million Bluetooth-enabled devices. Its DirectKey mobile access technology has powered more than 250 million door openings - each one a cryptographic handshake between a smartphone and a lock. Technical domains span embedded systems, Bluetooth protocol security, and mobile credential management, all operating at the intersection of physical and digital access.
Onity is part of Honeywell Building Technologies. The team operates with a specialist mindset, focused on removing friction from physical access while maintaining the integrity of the systems that control it. The work sits in a domain where a vulnerability doesn't mean a breached database - it means a breached door.






