October 03, 2013 12:00PM
Patching a WHMCS zero day on day zero
A critical zero-day vulnerability was published today affecting any hosting provider using WHMCS. As part of building a safer web, CloudFlare has added a ruleset to our Web Application Firewall (WAF) to block the published attack vector....
July 30, 2013 9:20AM
DDoS Prevention: Protecting The Origin
One of the many great features that CloudFlare provides is protection from Distributed Denial of Service (DDoS) attacks. A malicious party who wants to make your website or web service unavailable could try to overwhelm it with requests from compromised machines (or bots) all around the world....
March 27, 2013 4:35PM
The DDoS That Almost Broke the Internet
The New York Times this morning published a story about the Spamhaus DDoS attack and how CloudFlare helped mitigate it and keep the site online. The Times calls the attack the largest known DDoS attack ever on the Internet....
March 20, 2013 6:26PM
The DDoS That Knocked Spamhaus Offline (And How We Mitigated It)
At CloudFlare, we deal with large DDoS attacks every day. Usually, these attacks are directed at large companies or organizations that are reluctant to talk about their details. Sometimes a customer is willing to let us tell their story....
March 03, 2013 1:47PM
Today's Outage Post Mortem
This morning at 09:47 UTC CloudFlare effectively dropped off the Internet. The outage affected all of CloudFlare's services including DNS and any services that rely on our web proxy....
February 22, 2013 9:12PM
Good Web Security News: Open DNS Resolvers Are Getting Closed
This has been a rough week in the security industry with big attacks and compromises reported at companies from Facebook to Apple....