Lifehacker: “Ever since it came out, Google Authenticator has been a popular choice for generating two-factor authentication codes on the fly. The service is reliable and secure, but has always had one glaring issue: the inability to sync authentication codes between devices, leaving you at risk of losing access to all of your 2FA accounts. You could transfer these codes, but the process was long, tedious, and often unreliable. The biggest risk came if your phone was even stolen, or you gave it away before transferring authenticator apps. You’d better hope you had all those backup codes stored somewhere securely to go through the process of setting up the whole system again. That’s tedious if you have dozens (or hundreds) of protected accounts, and downright disasterous if you don’t have backup codes. This issue was the primary reason why Google Authenticator never made it to the top of our best 2FA apps list. But now, Google has taken the first step in the right direction by enabling account syncing for all codes, by default…”