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 ...

Yubico has long been the biggest player in the world of security keys, helping to shape not only the hardware but also the underlying standards on which all such devices rely. The company offers ...

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 ...

A hardware security key is a physical gadget—like a USB stick—that gives you an extra layer of security through multifactor authentication (MFA). When you sign in to certain services, you’ll plug it ...