The post-quantum state: a taxonomy of challenges

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This post introduces the concept of post-quantum cryptography as a future threat to current cryptographic protocols used in website security and threat management. It proposes a taxonomy of challenges (Protocolla, Implementa, Regulae, Communitates, Investigationes) and discusses the implications for protocols like TLS, IPsec, and DNSSEC. It highlights past experiments with post-quantum TLS key exchange and ongoing research into post-quantum signature algorithms for authentication, indicating a proactive approach to securing future internet infrastructure.