They have to be, because they need to be synced across devices. The OS will try to protect these keys by putting them in a protected process, with all kinds of safeguards. But in the end, the private keys will still be available.
FIDO also supports device authenticators, where the private key (by design) never leaves the hardware. These devices can be used for the true 2FA.
They have to be, because they need to be synced across devices. The OS will try to protect these keys by putting them in a protected process, with all kinds of safeguards. But in the end, the private keys will still be available.
FIDO also supports device authenticators, where the private key (by design) never leaves the hardware. These devices can be used for the true 2FA.