Are you worried about your personal information from your Apple iCloud or Dropbox getting in the wrong hands? Trail of Bits put together a walkthrough to setup 2FA on those services. What is 2FA? Two-factor or multi-factor authentication uses a combination of these three things. 1. Something you know (password, PIN) 2. Something you have (smart card, phone) 3. Something you are (fingerprint, retina). 2FA will protect you from password guessing and brute force attacks.
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