Password-free authentication – FIDO2 and WebAuthn


© Lead Image © Studio Porto Sabbia,

© Lead Image © Studio Porto Sabbia,

Article from Issue 218/2019

FIDO2 authentication with WebAuthn may be sounding the end of the password age.

Fido was a loyal soul – the name literally means faithful, loyal, trustworthy [1]. The mongrel found its way to the Lincoln household and quickly became a family member. Dirty paws, sleeping on the sofa – the dog was allowed to do everything (Figure 1). He even shared his master's fate: Only a few months after the fatal assassination of US President Abraham Lincoln, a drunk stabbed him [2].

Figure 1: Loyal to the death: Abraham Lincoln's dog Fido.

In 2012 a new player, the FIDO (Fast IDentity Online) Alliance [3] – not to be confused with Fidonet [4], a bulletin board system (BBS) from the 1980s and 1990s that older readers will remember as popular with hackers and geeks – came onto the market (see the "The FIDO Alliance" box).


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