April 01, 2022 2:31PM
The end of the road for Cloudflare CAPTCHAs
We decided we’re going to stop using CAPTCHAs. Before we talk about how we did it, and how you can help, let's first start with a simple question. Why in the world is CAPTCHA still used anyway?...
March 31, 2022 4:13PM
WAF mitigations for Spring4Shell
Cloudflare Managed Ruleset updates for the recent vulnerabilities affecting the Java Spring framework and related software components...
March 31, 2022 1:59PM
This blogpost chronicles the recent CVEs investigation, our findings, and how we are helping secure Salt now and in the Quantum future...
March 29, 2022 5:54PM
Optimizing Magic Firewall’s IP lists
More and more users are using Magic Firewall’s IP lists to filter network traffic en route to their infrastructure. In response to that growth, we improved how our systems handle large sets of IPs...
March 24, 2022 1:32PM
Cloudflare Radar’s new ASN pages
Autonomous Systems (ASes) are a group of routable IP prefixes belonging to a single entity or organization, and is one of the fundamental building blocks of the Internet...
March 22, 2022 4:57PM
Cloudflare’s investigation of the January 2022 Okta compromise
Today at 03:30 UTC we learnt of a compromise of Okta. We use Okta internally for employee identity as part of our authentication stack. We have investigated this compromise carefully and do not believe we have been compromised as a result...