A few years ago I was looking for a cheap, portable and easy to use secondary authentication system for personal use. I had stumbled upon the “YubiKey” from Yubico, which could potentially fit the bill for my own personal use case.
The Yubikey is a durable key fob that looks a bit like your standard USB storage drive. It works by generating a very long string of characters and the Key ID, which is sent to the Yubico authentication server on the internet for authentication. The Yubikey has 2 slots on device to allow you to use 2 different multi-factor authentication providers (Public and Private?) with the supplied management software. This provides a scenario where you authenticate with a known password, and a the device key One Time Password (OTP) as a secondary form of authentication which helps to mitigate you from password stealing techniques.
While this has been a great solution for using services like LastPass and a plugin for WordPress when accessing those services from a computer (It works on both Read more >>