2026-04-22
Panics in Rust Workers were historically fatal, poisoning the entire instance. By collaborating upstream on the wasm‑bindgen project, Rust Workers now support resilient critical error recovery, including panic unwinding using WebAssembly Exception Handling....
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2025-12-22
Physical data center maintenance is risky on a global network. We built a maintenance scheduler on Workers to safely plan disruptive operations, while solving scaling challenges by viewing the state of our infrastructure through a graph interface on top of multiple data sources and metrics pipelines....
2025-05-16
In line with CISA’s Secure By Design pledge, Cloudflare shares its vulnerability disclosure process, CVE issuance criteria, and CNA duties. ...
2025-05-05
Learn how Cloudflare tackles the challenge of scaling global service health metrics to safely release new software across our global network....
2025-01-14
Cloudflare strengthens its commitment to cybersecurity by joining CISA's "Secure by Design" pledge. In line with this, we're reducing the prevalence of vulnerability classes across our products....
October 09, 2024
We realized that we need a way to automatically heal our platform from an operations perspective, and designed and built a workflow orchestration platform to provide these self-healing capabilities ...
March 04, 2024
Security considerations should be an integral part of software’s design, not an afterthought. Explore how Cloudflare adheres to CISA’s Secure by Design principles to shift the industry...
August 02, 2023
A deep dive into the recent incidents relating to Workers KV, and how we’re going to fix them...
June 23, 2023
More than 162 million fans tuned in to the 2023 Eurovision Song Contest, the first year that non-participating countries could also vote. Cloudflare helped scale and protect the voting application based.io, built by once.net using our rapid DNS infrastructure, CDN, Cloudflare Pag...
April 25, 2023
Researchers have recently published the discovery of a new DDoS reflection/amplification attack vector leveraging the SLP protocol. Cloudflare expects the prevalence of SLP-based DDoS attacks to rise in the coming weeks...
April 20, 2023
We split a proxy application into multiple services to improve development agility and reliability. This blog also shares some common patterns we are leveraging to design a system supporting zero-downtime restart...
March 08, 2023
In this blog post we’ll discuss how Cloudflare Workers enabled us to quickly improve the resiliency of a legacy system...
July 29, 2021
Cloudflare Waiting Room helping organizations around the world to stifle COVID-19 and aid with easy rapid vaccinations....
July 15, 2021
In Cloudflare’s core data centers, we are using Kubernetes to run many of the diverse services that help us control Cloudflare’s edge. We are automating some aspects of node remediation to keep the Kubernetes clusters healthy....
September 24, 2018
Today we announced support for encrypted SNI, an extension to the TLS 1.3 protocol that improves privacy of Internet users....
September 24, 2018
Cloudflare launched on September 27, 2010. Since then, we've considered September 27th our birthday. This Thursday we'll be turning 8 years old. Ever since our first birthday, we've used the occasion ...
September 18, 2018
Cloudflare first started talking about DNSSEC in 2014 and at the time, Nick Sullivan wrote: “DNSSEC is a valuable tool for improving the trust and integrity of DNS, the backbone of the modern Internet.”...
September 17, 2018
The Internet isn’t perfect. It was put together piecemeal through publicly funded research, private investment, and organic growth that has left us with an imperfect tapestry....
September 10, 2018
Back in 2015 we deployed ECMP routing - Equal Cost Multi Path - within our datacenters. This technology allowed us to spread traffic heading to a single IP address across multiple physical servers....
September 05, 2018
On August 22 a new vulnerability in the Apache Struts framework was announced. We quickly deployed a mitigation to protect customers....
