Yubikey

The YubiKey is the trusted secure authentication choice for the largest technology, finance, and retail companies in the world. This includes 9 of the top 10 technology companies, 4 of the top 10 US banks, and 2 of the top 3 global retailers. Companies including Google, Facebook, Salesforce and thousands more trust the YubiKey to protect account access to computers, networks and online services.