


Security keys are hardware based authentication tools that connect to devices such as desktops, laptops, tablets, or cell phones to verify a user's identity. Something you are (e.g., your fingerprint or other biometric marker).Something you have (e.g., a smart card or hardware token).There are three common factors used for authentication: See Add a Duo Device What is a security key? They can be used on many operating systems including Windows, Mac OSX, Linux, and Unix. Security keys are operating system agnostic. In addition to using recommended Mobile phone registration with Duo, consider enrolling a security key for additional layers of security and as a backup authentication method if your mobile device is lost or stolen. It is recommended to register more than one device with your Duo account.
