2025-11-03
Cloudflare used historical data to investigate reports of potential new firewall tests in Turkmenistan. Shifts in TCP resets/timeouts across ASNs corroborate large-scale network control system changes. ...
2025-10-28
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....
2025-09-26
Cloudflare Radar now offers a Certificate Transparency dashboard for monitoring TLS certificate activity, and new regional traffic insights for a sub-national perspective on Internet trends....
2025-09-19
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....
2025-04-11
Learn about recent developments in Certificate Transparency (CT), and how we built a next-generation CT log on top of Cloudflare's Developer Platform....
2024-11-07
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....
2024-09-05
Cloudflare brings visibility to the practice of connection tampering as observed from our global network....
2024-09-05
New TCP resets and timeouts dataset on Cloudflare Radar surfaces connection tampering, scanning, DoS attacks, and more....
2024-08-20
NIST has published the first cryptographic standards for protecting against attacks from quantum computers. Learn what this means for you and your organization....
2024-03-08
This blog post will cover the new sources of “chaos” that have been added to LavaRand and how you can make use of that harnessed chaos in your next application...
2023-09-29
Starting today, you can secure the connection between Cloudflare and your origin server with post-quantum cryptography...
2021-10-14
Announcing a public demo and open-sourced implementation of a privacy-preserving compromised credential checking service...
2021-10-12
Introducing customized recommendations to improve the security of your website....
2019-10-30
In a June 2019 experiment with Google, we implemented two post-quantum key exchanges, integrated them into our TLS stack and deployed the implementation on edge servers and in Chrome Canary clients....
2019-03-18
The practice of HTTPS interception continues to be commonplace on the Internet. This blog post discusses types of monster-in-the-middle devices and software, and how to detect them....
