Comment on YubiKeys are vulnerable to cloning attacks thanks to newly discovered side channel

smeg@feddit.uk ⁨2⁩ ⁨months⁩ ago

The attacker would need physical possession of the YubiKey, Security Key, or YubiHSM, knowledge of the accounts they want to target and specialized equipment to perform the necessary attack. Depending on the use case, the attacker may also require additional knowledge including username, PIN, account password, or authentication key.

The attacks require about $11,000 worth of equipment and a sophisticated understanding of electrical and cryptographic engineering. The difficulty of the attack means it would likely be carried out only by nation-states or other entities with comparable resources and then only in highly targeted scenarios. The likelihood of such an attack being used widely in the wild is extremely low.

Given this massive caveat I’d almost call that headline misleading

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