Amazon RDS for PostgreSQL now supports post-quantum TLS key exchange

Starting today, Amazon RDS for PostgreSQL introduces support for post-quantum TLS (PQ-TLS) key exchange, providing you with post-quantum cryptography options for encrypting your data in-transit. RDS for PostgreSQL versions 18 and higher support modification of the ssl_groups parameter. You can select cryptographic groups from the RDS for PostgreSQL allow list to align with your organization’s security standards.