Protecting SSH Keys with macOS Secure Enclave

macOS Sequoia and later allow users to store SSH keys in the device's Secure Enclave, a isolated security subsystem where private keys are created and never leave the hardware, with optional Touch ID approval for each authentication. While this native approach provides hardware-backed security without extra devices or apps, the author explored multiple options including YubiKey, 1Password, Bitwarden, and Secretive before deciding on the Secure Enclave solution for enhanced SSH key protection against filesystem-level compromises.