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Grinch Bots strike again: defending your holidays from cyber threats

2024-12-23

Cloudflare observed a 4x increase in bot-related traffic on Black Friday in 2024. 29% of all traffic on our network on Black Friday was Grinch Bots wreaking holiday havoc....

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Grinch Bots strike again: defending your holidays from cyber threats

Global elections in 2024: Internet traffic and cyber threat trends

2024-12-23

RadarElectionsDDoSTrendsNetwork Services

In 2024, as elections took place across over 60 countries, the Internet became both a battleground for cyberattacks and a vital platform for democratic engagement....

Hi Claude, build an MCP server on Cloudflare Workers

2024-12-20

MCPAICloudflare Workers

Want Claude to interact with your app directly? Build an MCP server on Cloudflare Workers, enabling you to connect your service directly, allowing Claude to understand and run tasks on your behalf....

The role of email security in reducing user risk amid rising threats

2024-12-19

Cloud Email SecuritySASEZero Trust

As threats evolve, SOC teams must adapt their operations. With Cloudflare’s holistic approach to managing user-based risk, SOC teams can operate more efficiently and reduce the likelihood of a breach....

Internationalization and localization: bringing Cloudflare Radar to a global audience

2024-12-16

RadarJavaScriptRadar MapsLocalization

Internationalization and localization require more than translation: tone, images, date/time and number formatting, among other items, need to be considered....

Robotcop: enforcing your robots.txt policies and stopping bots before they reach your website

2024-12-10

AINetwork ServicesApplication Servicessecurity.txt

Today, the AI Audit dashboard gets an upgrade: you can now quickly see which AI services are honoring your robots.txt policies and then automatically enforce the policies against those that aren’t. ...

Cloudflare 2024 Year in Review

2024-12-09

Year in ReviewRadarTrendsInternet TrafficOutageInternet QualitySecurity

The 2024 Cloudflare Radar Year in Review is our fifth annual review of Internet trends and patterns at both a global and country/region level....

From ChatGPT to Temu: ranking top Internet services in 2024

2024-12-09

Year in ReviewRadarTrendsInternet Traffic

The 2024 popular Internet services landscape highlights rising generative AI, e-commerce shifts, and the continued dominance of platforms like Google and Facebook, as revealed by Cloudflare’s rankings...

From deals to DDoS: exploring Cyber Week 2024 Internet trends

2024-12-03

eCommerceRadarTrendsInternet TrafficDDoS

How significant are Cyber Week shopping days on the Internet? Is it a global phenomenon? Does E-commerce interest peak on Black Friday or Cyber Monday, and are attacks increasing during this time? We try to answer these questions and more. ...

Cloudflare incident on November 14, 2024, resulting in lost logs

2024-11-26

LogsDataLog Push

On November 14, 2024, Cloudflare experienced a Cloudflare Logs outage, impacting the majority of customers using these products. During the ~3.5 hours that these services were impacted, about 55% of the logs we normally send to customers were not sent and were lost. The details of what went wrong and why are interesting both for customers and practitioners....

Bigger and badder: how DDoS attack sizes have evolved over the last decade

2024-11-20

DDoSAttacksTrends

If we plot the metrics associated with large DDoS attacks observed in the last 10 years, does it show a straight, steady increase in an exponential curve that keeps becoming steeper, or is it closer to a linear growth? Our analysis found the growth is not linear but rather is exponential, with the slope varying depending on the metric (rps, pps or bps). ...

Resilient Internet connectivity in Europe mitigates impact from multiple cable cuts

2024-11-20

RadarInternet TrafficTrafficOutage

Two recent cable cuts that occurred in the Baltic Sea resulted in little-to-no observable impact to the affected countries, in large part because of the significant redundancy and resilience of Internet infrastructure in Europe. ...

DO it again: how we used Durable Objects to add WebSockets support and authentication to AI Gateway

2024-11-19

AIAI GatewayDevelopersDeveloper PlatformJavaScript

We used Cloudflare’s Developer Platform and Durable Objects to build authentication and a WebSockets API that developers can use to call AI Gateway, enabling continuous communication over a single...

What’s new in Cloudflare: Account Owned Tokens and Zaraz Automated Actions

2024-11-14

IdentitySecurityDevelopersProduct NewsZarazAnalyticsManaged Components

Cloudflare customers can now create Account Owned Tokens , allowing more flexibility around access control for their Cloudflare services. Additionally, Zaraz Automation Actions streamlines event tracking and third-party tool integration. ...

How we prevent conflicts in authoritative DNS configuration using formal verification

2024-11-08

DNSResearchAddressingFormal Methods

We describe how Cloudflare uses a custom Lisp-like programming language and formal verifier (written in Racket and Rosette) to prevent logical contradictions in our authoritative DNS nameserver’s behavior....

A look at the latest post-quantum signature standardization candidates

2024-11-07

Post-QuantumResearchCryptographyTLS

NIST has standardized four post-quantum signature schemes so far, and they’re not done yet: there are fourteen new candidates in the running for standardization. In this blog post we take measure of them and discover why we ended up with so many PQ signatures....

Exploring Internet traffic shifts and cyber attacks during the 2024 US election

2024-11-06

RadarElectionsAthenian ProjectTrendsDDoSCloudflare for CampaignsInternet TrafficElection Security

Election Day 2024 in the US saw a surge in cyber activity. Cloudflare blocked several DDoS attacks on political and election sites, ensuring no impact. In this post, we analyze these attacks, as well Internet traffic increases across the US and other key trends....

Workers Builds: integrated CI/CD built on the Workers platform

2024-10-31

Developer PlatformDevelopersCloudflare Workers

Workers Builds, an integrated CI/CD pipeline for the Workers platform, recently launched in open beta. We walk through how we built this product on Cloudflare’s Developer Platform....

Moving Baselime from AWS to Cloudflare: simpler architecture, improved performance, over 80% lower cloud costs

2024-10-31

ObservabilityCloudflare WorkersDeveloper PlatformPerformance

Post-acquisition, we migrated Baselime from AWS to the Cloudflare Developer Platform and in the process, we improved query times, simplified data ingestion, and now handle far more events, all while cutting costs. Here’s how we built a modern, high-performing observability platform on Cloudflare’s network. ...