Two factor authentication or 2FA is one of the best ways to keep your account and data secure. Even if someone guesses your Beacon password, they won't be able to access your account or view any supporter data.
link Setting up two factor authentication
1) Go to Settings > My Preferences in your Beacon sidebar
2) Scroll to the Two factor authentication section, and click Enable now
4) Enter the code from your app into Beacon.
5) That's it!
link Logging in with two factor authentication
When logging in to Beacon, you'll need to enter your email and password as normal.
You'll then be asked to enter a two-factor code from your authenticator app: