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Security News

New Eucleak attack lets threat actors clone YubiKey FIDO keys

BleepingComputer

Daniel Bender

Sep 4, 2024
New Eucleak attack lets threat actors clone YubiKey FIDO keys



A new "EUCLEAK" flaw found in FIDO devices using the Infineon SLE78 security microcontroller, like Yubico's YubiKey 5 Series, allows attackers to extract Elliptic Curve Digital Signature Algorithm (ECDSA) secret keys and clone the FIDO device.

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