New Eucleak attack lets threat actors clone YubiKey FIDO keys

September 4, 2024 at 01:59PM A new “EUCLEAK” flaw affects FIDO devices, such as Yubico’s YubiKey 5 Series, using the Infineon SLE78 microcontroller, allowing attackers to extract Elliptic Curve Digital Signature Algorithm (ECDSA) secret keys. The attack requires extended physical access and specialized equipment, limiting the risk to highly sophisticated, state-sponsored threat actors against high-value … Read more