Vanguard also offers 2FA with voice-automated calls. I wonder, would getting a landline and using that with a Yubikey be any more secure? https://investor.van

Vanguard also offers 2FA with voice-automated calls. I wonder, would getting a landline and using that with a Yubikey be any more secure? https://investor.vanguard.com/security/security-keys https://investor.vanguard.com/security/security-keys