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60% of MD5 password hashes are crackable in under an hour (www.theregister.com)
submitted 6 months ago by to c/cybersecurity@sh.itjust.works
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[–] 85 points 6 months ago (16 children)

Passwords should be paired with a second factor, preferably biometric, said Gunner, because it’s the most difficult for hackers to bypass.

I think this is a pretty naive risk analysis. Hackers cracking my lemmy password is the least of my concerns. Having my biometric data leaked is one of my highest ones.

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  • [–] 30 points 6 months ago (4 children)

    I think Gunner means a biometrically unlocked second factor like a Yubikey or a smartphone's user attestation. Given how badly written the entire article is, I wouldn't be confused if that's what he originally said before they condensed his statement beyond comprehension.

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  • [–] 8 points 6 months ago (3 children)

    Yubikeys are still not biometric unless you're buying the super-super expensive one. They are just very secure MFA. (in that it's extremely hard to read the secrets from them even with physical access)

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  • [–] 2 points 6 months ago (2 children)

    Don't they just spit out the long password when you press them, I'd figure it would be easy to just plug it into your phone and copy the output if you had physical access

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  • [–] 4 points 6 months ago

    That is but one method of Yubikey. They also support cryptographic passkeys and can store TOTP secrets as well as PGP crypto keys.

    The "touch key random key" is a OTP code that can be used for legacy software, Passkey and/or other functions are more valuable to me. Can read more about OTP security here.

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  • [–] 2 points 6 months ago

    It's OTP. Once a code has been seen, all the previous ones no longer work. There's no point in copying.

    There's a second slot that can be used for static passwords. But don't, obviously.

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  • [–] 5 points 6 months ago (9 children)

    Wouldn't biometric data be sensor/implementation specific. I doubt the fingerprint data stored on an iPhone is the same as the one stored on an Xperia.

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  • [–] 8 points 6 months ago (5 children)

    Your fingerprint is your fingerprint. If its possible to extract the raw data, then that can be reconstructed into your fingerprint...

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  • [–] 5 points 6 months ago (2 children)

    in the early 2000s when fingerprint readers started getting popular, my coworker and I decided to test them...

    super glue fumes, printer toner and scotch tape. that's all that was ever needed to bypass the reader once you could isolate a good spot where someones finger left a good mark. like from drinking glass or a door knob

    I'm not sure if I'd ever trust a fingerprint to fully be a secure passkey

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  • [–] 1 point 6 months ago

    That's the thing - it's not possible. The fingerprint is only ever stored within the fingerprint module, with no method for retrieval. The only thing the phone sees is "did this person scan a matching fingerprint or not?"

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  • [–] 3 points 6 months ago (2 children)

    I don't think that means it cannot be leaked

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  • [–] 1 point 6 months ago (1 child)

    Yeah, but what would you do with it? Can you convert the bytes to work on any other sensor the victim may also use their fingerprint? Never looked into the real implementation details of the fingerprint hardware.

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