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Latest posts
Last updated about 12 hours ago
How Cloudflare addressed a cross-tenant data exposure vulnerability in Containers
about 12 hours ago
On September 4, 2026, Oren Yomtov, a security researcher from Accomplish, responsibly...
We just shipped support for the ugliest part of HTTP: Vary
3 days ago
The response header, Vary, has been called “the ugliest part of HTTP...
Introducing Worker Previews: isolated preview environments for every change your agent makes
3 days ago
Nothing is worse than testing out a change that works in staging...
Python Workers are now generally available
4 days ago
We introduced Python Workers two years ago, providing a way to run...
Saving another 100TB of RAM with math (and Rust)
6 days ago
Cloudflare operates at a scale so big that even after working here...
When scanners miss the attack: how Cloudflare Client-Side Security protects storefronts
8 days ago
A modern storefront can look perfectly healthy while malicious JavaScript works underneath...
Give every teammate and agent the right level of access to your Workers
10 days ago
As more teams — and now agents — build applications on Cloudflare's...
Have it both ways: stay discoverable in search while disallowing AI training
10 days ago
Without proper controls, website owners have long faced a difficult tradeoff: allow...
Introducing automatic remediation policies with Cloudflare CASB
14 days ago
Today, we’re making Cloudflare CASB more powerful than ever by introducing automatic...
1.1.1.1 now supports post-quantum DNSSEC, all 2,420 bytes of it
15 days ago
1.1.1.1 now validates DNSSEC signatures made with ML-DSA-44, a post-quantum signature algorithm...
How we rebuilt Cloudflare Workers’ module registry for Node.js compatibility
16 days ago
We’ve rewritten the module registry in workerd, the core open-source component of...
Automatic Key Exchange: faster, post-quantum secure origin handshakes for 45 billion daily connections (and counting)
17 days ago
Every time Cloudflare opens a new TLS 1.3 connection to an origin...