1. Google Authenticator Cloud backup disabled (Not hardware wallets)
  2. Not SMS, nor Video if optional
  3. Delete your phone number from as many places as possible
  4. Review which other apps have access to your accounts, remove everything that is not necessary
Avoid Google authenticator, it is an inferior product to many others.
If you need a TOTP app for 2FA, use Aegis
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I could see this being fine advice if one factor is already a hardware device, but it's weird advice if he means this generically. I suspect he argues general purpose computers are inherently more vulnerable than dedicated hardware for private keys.
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I'm receiving so many unsolicited calls on my phone number that at this point I am considering getting a new one entirely.
I recently ordered an MK4 and will use it to generate/store my passwords. That is a very sweet feature that sealed the deal for me.
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Be careful with that! I did that a few years ago and the new number was already worse than the one I had!
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