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In this day and age, two-factor authentication (2FA) is basically a must. I try and use it on any system that supports it. I have a Yubikey and I am a massive fan of this but not everything supports U2F and sometimes it’s not convenient. I recently have seen an announcement that Yubikey is developing a Lightning based version including USB-C which is awesome, as at the moment I have a suboptimal experience with my new Mac.
For the systems that don’t support my Yubikey but do support the Google authenticator protocols, I have moved to using Authy as the 2FA application. The primary reason behind this Is that I use multiple devices and having to add secrets multiple times and then keep them in sync is a pain. For me using multiple devices (2 iPhones, iPAD, Mac & Work Laptop) It was too much hassle to try and keep them in sync. Authy has a sync feature that totally solves this. Add once and the token is passed to all your other devices. One feature that I
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