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Reducing double spend latency from 40 ms to < 1 ms on privacy proxy

2025-08-05

We significantly sped up our privacy proxy service by fixing a 40ms delay in "double-spend" checks....

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Reducing double spend latency from 40 ms to < 1 ms on privacy proxy

Perplexity is using stealth, undeclared crawlers to evade website no-crawl directives

2025-08-04

Cloudforce OneThreat IntelligenceAI BotsBotsAIBot ManagementSecurityGenerative AI

Perplexity is repeatedly modifying their user agent and changing IPs and ASNs to hide their crawling activity, in direct conflict with explicit no-crawl preferences expressed by websites....

Vulnerability disclosure on SSL for SaaS v1 (Managed CNAME)

2025-08-01

VulnerabilitiesCloudflare for SaaSSecurity

An upcoming vulnerability disclosure in Cloudflare’s SSL for SaaSv1 is detailed, explaining the steps we’ve taken towards deprecation....

The White House AI Action Plan: a new chapter in U.S. AI policy

2025-07-25

AIPolicy & LegalPolitics

The White House AI Action Plan is a pivotal policy document outlining the current administration's priorities and deliverables in AI to establish American AI as the gold standard for AI worldwide....

Serverless Statusphere: a walk through building serverless ATProto applications on Cloudflare’s Developer Platform

2025-07-24

Durable ObjectsWranglerRust

Build and deploy real-time, decentralized Authenticated Transfer Protocol (ATProto) apps on Cloudflare Workers....

Building Jetflow: a framework for flexible, performant data pipelines at Cloudflare

2025-07-23

DataGoPerformanceDesignEngineering

Faced with a data-ingestion challenge at a massive scale, Cloudflare's Business Intelligence team built a new framework called Jetflow....

Cloudflare protects against critical SharePoint vulnerability, CVE-2025-53770

2025-07-22

WAFCVE

Microsoft disclosed two critical vulnerabilities, CVE-2025-53771 and CVE-2025-53770, that are exploited to attack SharePoint servers....

Shutdown season: the Q2 2025 Internet disruption summary

2025-07-22

RadarInternet ShutdownInternet TrafficConsumer Services

In Q2 2025, we observed Internet disruptions around the world resulting from government-directed shutdowns, power outages, cable damage, a cyberattack, and technical problems....

Quicksilver v2: evolution of a globally distributed key-value store (Part 2)

2025-07-17

CacheQuicksilverStorageKey Value

This is part two of a story about how we overcame the challenges of making a complex system more scalable....

Cloudflare 1.1.1.1 incident on July 14, 2025

2025-07-15

OutageIPv41.1.1.1WARP

July 14th, 2025, Cloudflare made a change to our service topologies that caused an outage for 1.1.1.1 on the edge, causing downtime for 62 minutes for customers using the 1.1.1.1 public DNS Resolver....

Cloudflare recognized as a Visionary in 2025 Gartner® Magic Quadrant™ for SASE Platforms

2025-07-15

Cloudflare OneSASEGartner

Gartner has recognized Cloudflare as a Visionary in the 2025 Gartner® Magic Quadrant™ for SASE Platforms report....

Hyper-volumetric DDoS attacks skyrocket: Cloudflare’s 2025 Q2 DDoS threat report

2025-07-15

DDoS ReportsDDoSConnectivity CloudDDoS AlertsRadarInternet Traffic

June was the busiest month for DDoS attacks in 2025 Q2, accounting for nearly 38% of all observed activity....

Quicksilver v2: evolution of a globally distributed key-value store (Part 1)

2025-07-10

QuicksilverCacheRocksDBStorageReplicationDistributed

This blog post is the first of a series, in which we share our journey in redesigning Quicksilver — Cloudflare’s distributed key-value store that serves over 3 billion keys per second globally. ...

How TimescaleDB helped us scale analytics and reporting

2025-07-08

Cloudflare Zero TrustCloudflare One

Cloudflare chose TimescaleDB to power its Digital Experience Monitoring and Zero Trust Analytics products. ...

Content Independence Day: no AI crawl without compensation!

2025-07-01

Pay Per CrawlAI BotsAI

It’s Content Independence Day: Cloudflare, along with a majority of the world's leading publishers and AI companies, is changing the default to block AI crawlers unless they pay creators for content....

The crawl before the fall… of referrals: understanding AI’s impact on content providers

2025-07-01

Pay Per CrawlRadarInternet TrafficAIBots

Cloudflare Radar now shows how often a given AI model sends traffic to a site relative to how often it crawls that site. This helps site owners make decisions about which AI bots to allow or block. ...

Control content use for AI training with Cloudflare’s managed robots.txt and blocking for monetized content

2025-07-01

Pay Per CrawlAIBotsImpact

Cloudflare is making it easier for publishers and content creators of all sizes to prevent their content from being scraped for AI training by managing robots.txt on their behalf. ...

Introducing pay per crawl: Enabling content owners to charge AI crawlers for access

2025-07-01

Pay Per CrawlAI BotsBotsAIBot Management

Pay per crawl is a new feature to allow content creators to charge AI crawlers for access to their content. ...