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chris-at
on Oct 21, 2014
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Strengthening 2-Step Verification with Security Ke...
Sounds like an interesting idea but isn't it a bit limited? I can only use it on a computer, not on mobile devices.
pgeorgi
on Oct 21, 2014
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Yubikey Neo should provide FIDO U2F over NFC.
kissickas
on Oct 21, 2014
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parent
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So the mobile version of this would be /less/ secure than standard 2FA?
emu
on Oct 21, 2014
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root
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parent
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Why? Even if you can eavesdrop on the NFC communication, how does intercepting the challenge/response help you?
kissickas
on Oct 21, 2014
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root
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parent
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I'm just asking, because I have no idea how this works. I figured an assailant could more easily make use of an NFC signal than they could see the code on the front of the device in the short time it takes you to memorize or copy/paste the code.
nyolfen
on Oct 21, 2014
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root
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parent
[–]
it uses an OTP so even if they intercepted it, it wouldn't be useful
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