In fact reading through the article it sounds like they would need to use it to extract the secret. I guess the end goal for this would be to maintain surreptitious access to something after returning the key to the target, either to build a criminal case or for espionage purposes.
Given that the vulnerability may also apply to other secure access card/devices I suppose it could also be used if a nation-state wanted to use an impostor to access secure facilities.
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Couldn’t you just use the yubikey like normal if you have physical access to it instead of copying it ?
In fact reading through the article it sounds like they would need to use it to extract the secret. I guess the end goal for this would be to maintain surreptitious access to something after returning the key to the target, either to build a criminal case or for espionage purposes.
Given that the vulnerability may also apply to other secure access card/devices I suppose it could also be used if a nation-state wanted to use an impostor to access secure facilities.