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Why don't phones support 2FA? (kbin.social)

submitted 8 months ago* (last edited 8 months ago) by guyrocket@kbin.social to c/asklemmy@lemmy.world

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Phones could allow much higher security if they supported 2 factor authentication. This could be face/fingerprint along with a typed or swiped password. This seems like a simple solution that leverages software that is already implemented. Just make it an added option in addition to the existing one

ETA: Sorry for the duplicate posts, I was getting error messages. Pls use this one.

I am surprised there is confusion about what 2fa is. Here is a simple definition: https://www.microsoft.com/en-us/security/business/security-101/what-is-two-factor-authentication-2fa

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[-] guyrocket@kbin.social 2 points 8 months ago

You are correct. I was thinking about how to set a passphrase on my phone.

In a scenario where one is unconscious, fingerprint or facial recognition are poor protection. Add a passphrase or swipe to a physical identity methods and you are protected.

Not certain, but I think this also could help protect from virtual attacks because even if they get your passphrase they also need a physical identity method.

[-] ilmagico@lemmy.world 2 points 8 months ago

Now that I think about it, there is a problem: fingerprint & face ID are not 100% correct all the time, so they'd rather have false negatives than false positives, i.e. they'd rather deny access to someone who is authorized, rather than grant access to someone who is not. This is normally not a problem, cause if for whatever reason the biometric method doesn't work (e.g. wet fingers, wearing gloves, wearing full face mask, etc) then you always have the PIN/passphrase ... but with your 2FA idea this wouldn't work anymore.

[-] guyrocket@kbin.social 1 points 8 months ago

That's interesting. I have never really used the biometric keys so I'm not familiar with that.

So set up another backup password for situations where biometric keys fail. Then the 2 passes that you type unlock the phone.

this post was submitted on 25 Feb 2024

-6 points (43.5% liked)

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