May 10, 2016 3:21 PM
At CloudFlare we strive to combine features that are simple, secure, and backed by solid technology. The Origin CA is a great example of this. You no longer need to go to a third-party certificate authority to protect the connection between CloudFlare and your origin server....
April 08, 2016 1:40 PM
Now back in HD: the CloudFlare Cryptography Meetup series. A while back, CloudFlare hosted a pair of Meetups focused on encryption and cryptographic technology. ...
February 12, 2016 2:00 PM
At CloudFlare, we’re committed to making sure the encrypted web is available to everyone, even those with older browsers. At the same time, we want to make sure that as many people as possible are using the most modern and secure encryption available to them. ...
December 25, 2015 8:49 AM
It’s December 25th, which means most of you are probably at home visiting with family. I asked a few of the security engineers here at CloudFlare how they explain their jobs when they’re home for the holidays, and here's what they had to say....
May 07, 2015 10:06 AM
It is no secret that we at CloudFlare love Go. We use it, and we use it a LOT. There are many things to love about Go, but what I personally find appealing is the ability to write assembly code!...
October 01, 2014 10:57 PM
On Monday, we announced Universal SSL, enabling HTTPS for all websites using CloudFlare’s Free plan. Universal SSL represents a massive increase in the number of sites we serve over HTTPS—from tens of thousands, to millions....
September 19, 2014 8:53 AM
We announced Keyless SSL yesterday to an overwhelmingly positive response. We read through the comments on this blog, Reddit, Hacker News, and people seem interested in knowing more and getting deeper into the technical details....
July 10, 2014 4:00 AM
Today we’re proud to introduce CFSSL—our open source toolkit for everything TLS/SSL. CFSSL is used internally by CloudFlare for bundling TLS/SSL certificates chains, and for our internal Certificate Authority infrastructure....
June 18, 2014 4:00 PM
I started using the Internet when I was young—in the early 1990s, before I was a teenager. I was drawn to security for two main reasons....
June 18, 2014 4:00 AM
We're excited to announce that CloudFlare has acquired the Trusted Computing and virtual private network (VPN) as a service company CryptoSeal. ...
May 27, 2014 10:59 AM
Education, expertise, and community: these themes define Meetups at CloudFlare. Meetups in our office bring together industry leaders, academics, and field experts to examine topics ranging from the Go programming language, to databases, to cryptography, and more....
May 19, 2014 2:00 PM
Two weeks ago we changed our TLS configuration to deprioritize the RC4 encryption method because it is widely thought to be vulnerable to attack. At the time we had an internal debate about turning off RC4 altogether, but statistics showed that we couldn't....
April 21, 2014 1:50 PM
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....
April 17, 2014 12:44 AM
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....
March 10, 2014 4:30 PM
This blog post is dedicated to the memory of Dr. Scott Vanstone, popularizer of elliptic curve cryptography and inventor of the ECDSA algorithm. He passed away on March 2, 2014....
February 14, 2014 1:00 AM
At CloudFlare, we are always looking for ways to improve the security of our customers’ websites. One of the features we provide is the ability to serve their website encrypted over SSL/TLS. ...
January 29, 2014 12:00 PM
Back in 2011, the BEAST attack on the cipher block chaining (CBC) encryption mode used in TLS v1.0 was demonstrated. At the time the advice of experts (including our own) was to prioritize the use of RC4-based cipher suites....
January 06, 2014 12:00 PM
There has been a lot of news lately about nefarious-sounding backdoors being inserted into cryptographic standards and toolkits. One algorithm, a pseudo-random bit generator, Dual_EC_DRBG, was ratified by the National Institute of Standards and Technology (NIST) in 2007. ...
November 21, 2013 9:00 AM
At CloudFlare, we are always looking for better ways to secure the data we’re entrusted with. This means hardening our system against outside threats such as hackers, but it also means protecting against insider threats. ...
