How we built Network Analytics v2
2023-05-02
Network Analytics v2 is a fundamental redesign of the backend systems that power Network Analytics...
Effects of the conflict in Sudan on Internet patterns
2023-05-02
On Saturday, April 15, 2023, an armed conflict between rival factions of the military government of Sudan began. Cloudflare observed a disruption in Internet traffic on that Saturday, starting at 08:00 UTC, which deepened on Sunday...
Celebrating Australia’s Privacy Awareness Week 2023
2023-05-01
Cloudflare proudly sponsored Australian Privacy Awareness Week 2023, championing privacy and security technologies to help customers protect sensitive data, forming the "new privacy basics."...
SLP: a new DDoS amplification vector in the wild
2023-04-25
Researchers have recently published the discovery of a new DDoS reflection/amplification attack vector leveraging the SLP protocol. Cloudflare expects the prevalence of SLP-based DDoS attacks to rise in the coming weeks...
Why I joined Cloudflare as Chief Security Officer
2023-04-21
As someone who is passionate about technology, security, and its potential to improve our lives, I knew that I wanted to work for a company that shared those values. ...
Secure by default: recommendations from the CISA’s newest guide, and how Cloudflare follows these principles to keep you secure
2023-04-20
In this post we’ll review some of the authors’ recommendations, discuss how Cloudflare applies these principles to the products that we build, and provide some suggestions on what other organizations can do to support similar initiatives internally...
Oxy: Fish/Bumblebee/Splicer subsystems to improve reliability
2023-04-20
We split a proxy application into multiple services to improve development agility and reliability. This blog also shares some common patterns we are leveraging to design a system supporting zero-downtime restart...
How Easter, Passover and Ramadan show up in Internet trends
2023-04-19
How Easter (including Orthodox Easter), Passover & Ramadan affected 2023 Internet traffic...
DDR4 memory organization and how it affects memory bandwidth
2023-04-19
In this blog, we will study the concepts of memory rank and organization, and how memory rank and organization affect the memory bandwidth performance by reviewing some benchmarking test results...
Consent management made easy and clear with Cloudflare Zaraz
2023-04-18
Cloudflare Zaraz now can also help you with gathering and managing consent. With this new tool, you can easily collect user’s consent preferences on your website, using a consent modal, and apply your consent policy on third-party tools you load via Cloudflare Zaraz...
Measuring network quality to better understand the end-user experience
2023-04-18
Starting today, you don’t have to be a network engineer to figure out what your Internet is good for. Let’s tell you how we’re doing it....
Making home Internet faster has little to do with “speed”
2023-04-18
The speed of an Internet connection is more about decreasing real-world latency than adding underutilized bandwidth...
Cloudflare One named in Gartner® Magic Quadrant™ for Security Service Edge
2023-04-13
Cloudflare Zero Trust named to Gartner® Magic Quadrant™ for Security Service Edge...
Introducing Cloudflare’s new Network Analytics dashboard
2023-04-12
Learn how the new and improved Network Analytics dashboard provides security professionals insights into their DDoS attack and traffic landscape...
Internet disruptions overview for Q1 2023
2023-04-12
In this post, we review selected Internet disruptions observed by Cloudflare during the first quarter of 2023, supported by traffic graphs from Cloudflare Radar and other internal Cloudflare tools, and grouped by associated cause or common geography...
DDoS threat report for 2023 Q1
2023-04-11
Threat actors kicked off 2023 with a bang. The start of the year was characterized by a series of hacktivist campaigns against Western targets, and record-breaking hyper volumetric attacks...
Protect your domain with Zone Holds
2023-04-06
Protect against accidental additions of your domain, subdomain, or custom hostnames in other accounts with Zone Holds. Available by default for all enterprise customers...
Cloudflare’s view of the Virgin Media outage in the UK
2023-04-04
UK ISP Virgin Media (AS5089) experienced several outages on April 4, 2023. We examine the impact to Internet traffic, availability of Virgin Media web properties, and how BGP activity may provide insights into the underlying cause...
Oxy: the journey of graceful restarts
2023-04-04
Deploying new versions of long-lived server software while maintaining a reliable experience is challenging. For oxy, we established several development and operational patterns to increase reliability and reduce friction in deployments...
mTLS client certificate revocation vulnerability with TLS Session Resumption
2023-04-03
This blog post outlines the root cause analysis and solution for a bug found in Cloudflare’s mTLS implementation...
