Attackers can exploit a security vulnerability in Yubikey and YubiSHM from Yubico and access keys. However, this requires a lot of effort. IT security researchers have discovered a security ...
FIDO authentication, is vulnerable. Attacking the vulnerability requires advanced knowledge and expensive equipment, but because YubiKey firmware cannot be updated ...
Yubico issued a security advisory saying that an issue impacting YubiKey FIPS Series devices (versions 4.4.2 and 4.4.4) reduces the strength of generated RSA keys and ECDSA signatures after power-up.