Cloudflare’s 2024 Annual Founders’ Letter
2024-09-22
Cloudflare launched on September 27, 2010. This week we celebrate our fourteenth birthday...
Automatically replacing polyfill.io links with Cloudflare’s mirror for a safer Internet
2024-06-26
CDNJSJavaScriptVulnerabilitiesApplication SecurityApplication ServicesSupply Chain AttacksAttacksBetter Internet
polyfill.io, a popular JavaScript library service, can no longer be trusted and should be removed from websites...
Celebrating 10 years of Project Galileo
2024-06-12
Ten years ago today, Cloudflare launched Project Galileo, a program which today provides security services, at no cost, to more than 2,600 independent journalists and nonprofit organizations around the world supporting human rights, democracy, and local communities...
Major data center power failure (again): Cloudflare Code Orange tested
2024-04-08
Just four months after a complete power outage at a critical data center we were hit with the exact same scenario. Here’s how we did this time, and what’s next...
Thanksgiving 2023 security incident
2024-02-01
On Thanksgiving Day, November 23, 2023, Cloudflare detected a threat actor on our self-hosted Atlassian server. Our security team immediately began an investigation, cut off the threat actor’s access, and no Cloudflare customer data or systems were impacted by this event...
Post mortem on the Cloudflare Control Plane and Analytics Outage
2023-11-04
Beginning on Thursday, November 2, 2023, at 11:43 UTC Cloudflare's control plane and analytics services experienced an outage. Here are the details...
Cloudflare’s 2023 Annual Founders’ Letter
2023-09-27
Cloudflare is officially a teenager. We launched on September 27, 2010. Today we celebrate our thirteenth birthday...
Welcome to Cloudflare’s Impact Week
2022-12-11
Over the course of this Impact Week, we will tell other stories about the way that the Internet, and Cloudflare specifically, provide an optimistic opportunity to improve our world....
Adjusting pricing, introducing annual plans, and accelerating innovation
2022-11-30
After not raising prices in our history, this was something we thought carefully about before deciding to do. While we have over a decade of network expansion and innovation under our belts, what may not be intuitive is that our goal is not to increase revenue from this change....
Cloudflare’s 2022 Annual Founders’ Letter
2022-09-25
Cloudflare launched on September 27, 2010. This week we'll celebrate our 12th birthday. As has become our tradition, we'll be announcing a series of products that we think of as our gifts back to the Internet...
Blocking Kiwifarms
2022-09-03
We have blocked Kiwifarms. Visitors to any of the Kiwifarms sites that use any of Cloudflare's services will see a Cloudflare block page and a link to this post. ...
Cloudflare's abuse policies & approach
2022-08-31
Cloudflare launched nearly twelve years ago. Over that time, our set of services has become much more complicated. With that complexity we have developed policies around how we handle abuse of different features Cloudflare provides...
The mechanics of a sophisticated phishing scam and how we stopped it
2022-08-09
Yesterday, August 8, 2022, Twilio shared that they’d been compromised by a targeted phishing attack. Around the same time as Twilio was attacked, we saw an attack with very similar characteristics also targeting Cloudflare’s employees...
What Cloudflare is doing to keep the Open Internet flowing into Russia and keep attacks from getting out
2022-04-03
Following Russia’s unjustified and tragic invasion of Ukraine in late February, the world has watched closely as Russian troops attempted to advance across Ukraine, only to be resisted and repelled by the Ukrainian people...
Cloudflare, CrowdStrike, and Ping Identity launch the Critical Infrastructure Defense Project
2022-03-07
Today, Cloudflare is launching the Critical Infrastructure Defense Project. The Project was born out of conversations with cybersecurity and government experts concerned about potential retaliation to the sanctions that resulted from the Russian invasion of Ukraine...
Steps we've taken around Cloudflare's services in Ukraine, Belarus, and Russia
2022-03-07
At Cloudflare, we've watched in horror the Russian invasion of Ukraine. As the possibility of war looked more likely, we began to carefully monitor the situation on the ground, with the goal of keeping our employees, our customers, and our network safe...
Why Cloudflare Bought Zaraz
2021-12-08
Today we're excited to announce that Cloudflare has acquired Zaraz. The Zaraz value proposition aligns with Cloudflare's mission. They aim to make the web more secure, more reliable, and faster. And they built their solution on Cloudflare Workers....
Cloudflare's 2021 Annual Founders' Letter
2021-09-26
This week we celebrate Cloudflare's birthday. We launched the company 11 years ago tomorrow: September 27, 2010. It has been our tradition, since our first birthday, to use this week to launch innovative new products that we think of as our gift back to the Internet....
From AMP to Signed Exchanges, Or How Innovation Happens at Cloudflare
2021-09-14
This is the story of how we decided to work with Google to build Signed Exchanges support at Cloudflare. But, more generally, it's also a story of how Cloudflare thinks about building disruptive new products....
The Future of Work at Cloudflare
2021-07-30
During Impact Week, we've shared how Cloudflare is providing tools for our customers to minimize their environmental impact as well as what we, as a company, are doing to help society at large. But some critical stakeholders we haven’t talked much about yet are Cloudflare's more than 2,000 employees...