お（YubiKey内のチップに物理アクセスが必要とのこと）
YubiKeys are vulnerable to cloning attacks thanks to newly discovered side channel | Ars Technica https://arstechnica.com/security/2024/09/yubikeys-are-vulnerable-to-cloning-attacks-thanks-to-newly-discovered-side-channel/
Ars Technica · YubiKeys are vulnerable to cloning attacks thanks to newly discovered side channelSophisticated attack breaks security assurances of the most popular FIDO key.
バージョン5.7のファームウェアで解消ずみ