Throughout our series of blog posts on post-quantum cryptography (PQC), we have focused almost exclusively on the Transport Layer Security (TLS) ecosystem in an HTTP context. Addressing the “harvest now, decrypt later” threat in the CDN context was an obvious high priority for Akamai, and we are pleased to have delivered PQC in our TLS 1.3 handshakes for both client-to-Akamai and Akamai-to-origin connections.

Over the coming weeks, these features are being rolled out everywhere as on-by-default for all Enhanced TLS customers.

Although this is in line with the rest of the industry's prioritizations, the quantum threat affects all areas of cryptography, not just TLS.…