I'm the CEO and co-founder of WiKID Systems, Inc. WiKID is a dual-sourced two-factor authentication solution.
I tend to post a lot about authentication and try to be clear that I have biases. ;-)
20 How secure are the FIDO U2F tokens Oct 22 '14
3 What methods are available for securing SSH? Dec 2 '10
2 Website Authenticity/Verification without SSL Nov 22 '13
1 Is a short sudo password ok? Jul 9 '13
1 Two-Factor Authentication: When is it worth it? May 27 '14