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Amazon's 24 August 2026 post credits MySQL 8.4.11 with post-quantum TLS key exchange. The 8.4.11 release notes list no such feature, and RDS MySQL 8.4 is built on AWS-LC rather than OpenSSL 3.5.
Cloudflare says post-quantum key exchange for Email Security is enabled automatically for all customers, but only pre-delivery MX/Inline deployment puts Cloudflare in the SMTP chain at all.
In July 2026 Anthropic's Claude Mythos Preview halved a post-quantum signature candidate's security margin and sped a reduced AES attack 200-800x. No production system broke, but the direction of travel is the story
The post-quantum standards are final, browsers already negotiate ML-KEM by default, and FIPS 140-2 validations expire on 21 September 2026. Here is a practical crypto-agility roadmap for enterprises, from cryptographic
