> How do you clone a YubiKey? It's a one-time write of a seed at device set-up time. It's not an exact clone, but will give the same response to certain challe

> How do you clone a YubiKey? It's a one-time write of a seed at device set-up time. It's not an exact clone, but will give the same response to certain challenges. https://www.yubico.com/support/knowledge-base/categories/articles/can-back-yubikey/ https://www.yubico.com/support/knowledge-base/categories/art... https://www.yubico.com/products/services-software/personalization-tools/use/ https://www.yubico.com/products/services-software/personaliz... > I thought the whole point of having a hardware token in the first place was that it's _not_ easily copied? The process generally requires the person personalizing the key to intend to make two (or more) from the beginning of the process. Otherwise, the secret bits that must be entered into the other device to allow one's 2nd Yubikey to generate the same responses to the same challenges will be lost...