Universal Second Factor (U2F
is a FIDO protocol
is an open authentication
standard that strengthens and simplifies Multi-Factor Authentication
using specialized USB
devices based on similar security technology found in Smart Cards
Universal Second Factor initially developed by Google and Yubico, with contribution from NXP Semiconductors, the standard is now hosted by the FIDO Alliance.
Universal Second Factor allows online services to augment the security of their existing password infrastructure by requiring a Hard token using a FIDO Authenticator.
The authenticator provides an additional Authentication Factor to augment user login.
Universal Second Factor Authentication process#
In a U2F
deployment the Authentication
process is similar to
There are some Universal Second Factor Challenges
that need to be considered.
There might be more information for this subject on one of the following: