Locking your screen when you remove your U2F device

by | Jun 10, 2020 | howto

Universal Second Factor (U2F) devices were invented as a second factor for websites using two factor authentication. The website sends a challenge, the U2F device responds if its button is pressed. A small LED starts blinking, you press your button and thus confirm...

Having fun with U2F devices

by | Jun 3, 2020 | howto

Inspired by a recent article series in the German magazin c’t (1, 2, 3), I got my hands on two simple U2F devices to find out if their usage might help my work pattern. Imagine sitting in public transportation and having to retype your (root) password for each and...