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External device is per definition not secured... In a computer it's practically saying that you'll use USB. And USB is not meant to be secure. However you seem to have a very bad experience with internal ones which seems to be cheap ones and easily cheated. You need to be sure that they use your veins or infrared. For having a little of security with the ...


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Yubico announced the YubiKey Bio, which seems to do exactly that.


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