Update – Offer has ended For those who use the basic version of Dropbox (the 2GB version) or who are considering opening an account, Amazon has a deal you want to look at. As part of Amazon Prime Day, the 1TB version of Dropbox Plus
The two factor authentication works by using something you know (your password) plus something you have (either email or text message) to prevent anyone who doesn’t have both parts from accessing your account. Twitter, Facebook, Google, Dropbox, iCloud, and most online email services offer two-factor authentication. The following post is about How To Turn On Two Factor Authentication For Online Services.