Yubico's core product is the YubiKey™, the first USB-key for instant access to networks and services that works on multiple platforms and does not need any client software. 

The revolutionary device plugs into any USB slot. With a simple touch on the YubiKey, it sends the user's identity and a unique pass code every time it is used. 

Provided at unmatched price and cost of ownership, with unmatched ease of use through a disruptive open source business model, the YubiKey is rapidly being adopted by developers and web 2.0 services around the world