MORE POSTS
October 30, 2025
Policy, privacy and post-quantum: anonymous credentials for everyone
The world is adopting anonymous credentials for digital privacy, but these systems are vulnerable to quantum computers. This post explores the cryptographic challenges and promising research paths toward building new, quantum-resistant credentials from the ground up....
October 28, 2025
State of the post-quantum Internet in 2025
Today over half of human-initiated traffic with Cloudflare is protected against harvest-now/decrypt-later with post-quantum encryption. What once was a cool science project, is the new security baseline for the Internet. We’re not done yet: in this blog post we’ll take measure wh...
October 28, 2025
Keeping the Internet fast and secure: introducing Merkle Tree Certificates
Cloudflare is launching an experiment with Chrome to evaluate fast, scalable, and quantum-ready Merkle Tree Certificates, all without degrading performance or changing WebPKI trust relationships....
September 24, 2025
Automatically Secure: how we upgraded 6,000,000 domains by default to get ready for the Quantum Future
After a year since we started enabling Automatic SSL/TLS, we want to talk about these results, why they matter, and how we’re preparing for the next leap in Internet security....
September 24, 2025
Securing today for the quantum future: WARP client now supports post-quantum cryptography (PQC)
To prepare for a future where powerful quantum computers come online, we've upgraded our WARP client with post-quantum cryptography....
September 19, 2025
You don’t need quantum hardware for post-quantum security
Post-quantum cryptography protects against quantum threats using today’s hardware. Quantum tech like QKD may sound appealing, but it isn’t necessary or sufficient to secure organizations....
March 21, 2025
Prepping for post-quantum: a beginner’s guide to lattice cryptography
This post is a beginner's guide to lattices, the math at the heart of the transition to post-quantum (PQ) cryptography. It explains how to do lattice-based encryption and authentication from scratch....
March 17, 2025
Conventional cryptography is under threat. Upgrade to post-quantum cryptography with Cloudflare Zero Trust
We’re thrilled to announce that organizations can now protect their sensitive corporate network traffic against quantum threats by tunneling it through Cloudflare’s Zero Trust platform....
November 07, 2024
A look at the latest post-quantum signature standardization candidates
NIST has standardized four post-quantum signature schemes so far, and they’re not done yet: there are fourteen new candidates in the running for standardization....
August 20, 2024
NIST’s first post-quantum standards
NIST has published the first cryptographic standards for protecting against attacks from quantum computers. Learn what this means for you and your organization....
March 05, 2024
The state of the post-quantum Internet
Nearly 2% of all TLS 1.3 connections established with Cloudflare are secured with post-quantum cryptography. What once was the topic of futuristic tech demos will soon be the new security baseline....
September 29, 2023
Post-quantum cryptography goes GA
Cloudflare announces Post-Quantum Cryptography as a Generally Available system...
September 29, 2023
Cloudflare now uses post-quantum cryptography to talk to your origin server
Starting today, you can secure the connection between Cloudflare and your origin server with post-quantum cryptography...
March 28, 2023
Cloudflare’s commitment to the 2023 Summit for Democracy
Cloudflare is proud to participate in and contribute commitments to the 2023 Summit Summit for Democracy because we believe that everyone should have access to an Internet that is faster,...
March 16, 2023
Post-quantum crypto should be free, so we’re including it for free, forever
Cloudflare makes the most advanced cryptography free for everyone, and it’s in beta today...