How to use Authy to manage two-factor authentication on iPhone, iPad, and MacPasswords are weak and often cracked. Two-factor authentication, which uses your phone number to send a secondary code you have to enter, is much stronger.
I know first-hand how scary password hacks can be, but I still put off two-factor authentication for years — relying instead on a strong multi-digit 1Password-generated password — because it felt clunky and hard to set up. What if I lost access to my phone number because I was restoring my iPhone? What if I couldn't get network access for my two-factor code? Too much hassle, I thought.
Authy changed my opinion on two-factor authentication: The app makes it far less terrifying to deal with; it also lives on both my Mac and iOS devices, so I don't have to worry about losing access to my accounts while my phone is restoring. Authy was recently acquired by Twillo, but the company still plans to support its two-factor authentication customers, so you don't have to worry about it mysteriously disappearing anytime soon.
What is t...
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How to use Authy to manage two-factor authentication on iPhone, iPad, and Mac