Post-quantum cryptography has arrived by default with the release of OpenSSH 9 and the adoption of the hybrid Streamlined NTRU Prime + x25519 key exchange method. “The NTRU algorithm is believed to resist attacks enabled by future quantum computers and is paired with the X25519 ECDH key exchange (the previous default) as a backstop against any weaknesses in NTRU Prime that may be discovered in the future.

Read full article on ZDNet