Evaluate
Weigh the pros and cons of technologies, products and projects you are considering.
The evolution of MFA security tokens
Source:
Thinkstock
In the early days of multifactor authentication, there were one-time password generators that came in the shape of key fobs, with a small LCD screen and a button. When you pressed the button, the screen displays a sequence of numbers for 30 seconds. The sequence must be typed into the application during that time period.