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

Amazon RDS for PostgreSQL Updates

Starting today, Amazon RDS for PostgreSQL introduces support for post-quantum TLS (PQ-TLS) key exchange, providing 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.

What to do

• Update your RDS for PostgreSQL to version 18 or higher.
• Modify the ssl_groups parameter to select cryptographic groups from the allow list.

Source: AWS release notes

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