DontDuo: Bypass 2FA with DTMF Tones
Or instead of handing over your second factor authentication to a startup web service, you could buy a Yubikey, leave it on your keyring or plugged into your laptop and just touch it.<p>Some Yubikey models also store the secrets that generate the frustrating 6 character TOTP codes. A pairing a Yubikey with a desktop app, you can copy&#x2F;paste the codes instead of the error-prone process of manually re-typing them.