2026-04-30

4 min read

While more than two-thirds of human-generated TLS traffic to Cloudflare is already protected by post-quantum cryptography, the world of site-to-site networking has been a different story. For years, the IPsec community remained caught between the high bar of Internet-scale interoperability and the niche requirements of specialized hardware. That gap is now closing.

Earlier this month, we announced that Cloudflare has moved its target for full post-quantum security forward to 2029 , spurred by several recent advances in quantum computing.…