Wired

YubiKeys Are a Security Gold Standard—but They Can Be Cloned

The YubiKey 5, the most widely used hardware token for two-factor authentication based on the FIDO standard, contains a cryptographic flaw that makes the finger-sized device vulnerable to cloning when ...
Ars Technica

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

The YubiKey 5, the most widely used hardware token for two-factor authentication based on the FIDO standard, contains a cryptographic flaw that makes the finger-size device vulnerable to cloning when ...