Yubikey - my impressions so far

I really like the idea behind two-factor-auth.
you need two things to successfully login:

  1. something only you know (a password)
  2. something you own (like a key or a mobile)

I recently bought a Yubikey and I was able to easily set up U2F / OTP for:

  • mailbox.org
  • github
  • self-hosted gitlab
  • google account
  • nextcloud

here's a list of enabled services/solutions