At CloudFlare, we love connecting with our communities, and so we are excited to announce two meetups to be hosted here at the CloudFlare headquarters in San Francisco next month. All Things Crypto – 5/8/2014 On Thursday, May 8, Nick Sullivan from the security engineering team at CloudFlare will host a meetup with several cryptography […]
Archive | Security
RSS feed for this sectionImproving vulnerability disclosure for researchers
Trust, transparency, and collaboration are values which we hold dear at CloudFlare. As a web security and performance company, we are always interested in how we can make our service and our infrastructure more secure. We also know how the power of the security researcher community can help us achieve results more quickly and more […]
HeartBleed in the Wild
As most of you probably already know, ten days ago security Researchers disclosed a very serious vulnerability in the OpenSSL library, which is used to power HTTPS on most websites nowadays. The bug allowed an attacker to extract information that was supposed to be private, including SSL private keys, login data or any other information […]
The Heartbleed Aftermath: all CloudFlare certificates revoked and reissued
Eleven days ago the Heartbleed vulnerability was publicly announced. Last Friday, we issued the CloudFlare Challenge: Heartbleed and simultaneously started the process of revoking and reissuing all the SSL certificates that CloudFlare manages for our customers. That process is now complete. We have revoked and reissued every single certificate we manage and all the certificates […]
The Results of the CloudFlare Challenge
Earlier today we announced the Heartbleed Challenge. We set up a nginx server with a vulnerable version of OpenSSL and challenged the community to steal its private key. The world was up to the task: two people independently retrieved private keys using the Heartbleed exploit. The first valid submission was received at 16:22:01PST by Software […]
Jetpack for WordPress: automatic protection
As we’ve said before, lots of our users run WordPress on their websites and its popularity makes it a big target. So when a new vulnerability is discovered, acting quickly is prudent. Jetpack is an extremely popular plugin to provide self-hosted blogs with all of the additional functionality that WordPress provide to sites hosted with […]
Critical Update for JetPack WordPress Plugin
The Jetpack team just released a critical security update to fix a security vulnerability in the Jetpack WordPress plugin. The vulnerability allows an attacker to bypass the site’s access control and publish posts on the site. All versions of JetPack since October, 2012 (Jetpack 1.9) are vulnerable, and all users should update to version 2.9.3 […]
Patching The Heartbleed OpenSSL Vulnerability
Security Researchers have discovered a very serious vulnerability in the OpenSSL library that is used to power HTTPS on most websites. Many news sources are now covering the story, and we recommend reading their articles to understand the scope of what is happening and the impact of the threat: Critical crypto bug in OpenSSL opens […]
Ad Violations: Why Search Engines Won’t Display Your Site If it’s Infected With Malware
As your site’s webmaster, have you ever seen an e-mail from Google like this: Hello, We wanted to alert you that one of your sites violates our advertising policies. Therefore, we won’t be able to run any of your ads that link to that site, and any new ads pointing to that site will also […]
Thumb Wars: Sucuri Acquires Google Webmaster Tools
Today Sucuri unofficially acquires Google Webmaster Tools. In an effort to combine forces of good, Sucuri officials challenged Google to a thumb wrestling war. Here is a breakdown of the event. Over The Top In a best-of-5 style tournament, the competition got heated. The underdog had fought well, and stayed in it to win it, […]
