New ‘Eucleak’ attack let attackers clone YubiKey FIDO keys

September 4, 2024 at 01:51PM A new security flaw called “EUCLEAK” has been discovered in FIDO devices utilizing the Infineon SLE78 security microcontroller, such as the Yubico YubiKey 5 Series. The flaw allows attackers to extract secret keys and clone the FIDO device using a side-channel attack, requiring specialized equipment and a high level of … Read more