blog.cloudflare.com· Sep 29, 2026· by Steve Goldsmith

Building a certificate authority for the whole Internet

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Twelve years after launching Universal SSL, Cloudflare is applying to become a certificate authority. By combining an established root, an ACME-first approach, and Merkle Tree Certificates, we are building a post-quantum CA for the open web.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#Birthday Week#Cryptography#Post-Quantum#Security#TLS