Welcome to Agents Week
Agents Week explores how cloud infrastructure must evolve to serve autonomous agents rather than human browsers. Join us as we unpack the storage, execution, and security primitives needed for an agent-native web.
An API for MoQ: provision your own isolated relays
Last year we made every Cloudflare server a Media over QUIC (MoQ) relay. Now the new provisioning API lets you create your own isolated relay and control who can publish and who can only watch.
Blog Cloudflare
Szczegółowe analizy techniczne, aktualizacje produktów oraz spostrzeżenia zespołów, które pomagają tworzyć lepszy Internet.
Dogfooding at scale: migrating cdnjs to Cloudflare’s Developer Platform
We moved cdnjs, serving 9 billion requests a day, entirely onto Cloudflare's Developer Platform. That means we’re running one of the Internet's busiest open-source CDNs on our own building blocks, and we pushed Workflows and Workers limits higher for everyone.
Post-quantum authentication to origins is now supported
Cloudflare now supports post-quantum (PQ) authentication when connecting to customer origin servers via Authenticated Origin Pulls and Custom Origin Trust Store. This is the first step towards providing PQ authentication for all Cloudflare products.
Natural disasters and government interference: examining Q2 2026’s major Internet disruption events
Cloudflare Radar tracked Internet disruptions driven by natural disasters, government-mandated shutdowns, and DNSSEC key rollovers over the last quarter. This post analyzes traffic telemetry to explain how these events impacted global connectivity.
We’re open sourcing our privacy proxy CLI
pvcli is a curl-like tool designed to simplify the testing of complex privacy protocols like OHTTP.
BGP ORIGIN attribute manipulation and its impact on the Internet
By doing in-depth testing, we found nearly 70% of BGP paths experience ORIGIN attribute rewrites by transit providers seeking traffic advantages. We examine the global impact of this practice and argue for deprecating ORIGIN in route selection.
Introducing Cache Response Rules
Perhaps you’ve seen something that should sail out of cache get dragged back to the origin. Cache Response Rules is the fix, applied at the right time.
Blog Cloudflare
Phân tích kỹ thuật chuyên sâu, cập nhật sản phẩm và góc nhìn từ các đội ngũ đang góp phần xây dựng một Internet tốt hơn.
How the 2026 World Cup affected Internet traffic
We analyzed global HTTP traffic to explore how kickoff times, streaming habits, and hydration breaks reshaped online activity worldwide. From late-night traffic surges to halftime browsing spikes, here is how the world connected during the global tournament.
Cloudflare Internal DNS is now generally available
Cloudflare Internal DNS brings authoritative and recursive DNS for private networks to the same global network and control plane that runs Cloudflare's Zero Trust, networking, and public DNS.
Cloudflare WAF protects WordPress applications from two high-severity vulnerabilities
Cloudflare has deployed two WAF rules in response to high-severity vulnerabilities disclosed to us by the WordPress security team. The new rules protect all Cloudflare customers using affected WordPress versions, but customers should still update immediately to a patched release.
Blog Cloudflare
Ulasan teknis mendalam, pembaruan produk, dan wawasan dari tim yang membantu membangun Internet yang lebih baik.
บล็อก Cloudflare
การเจาะลึกทางเทคนิค อัปเดตผลิตภัณฑ์ และมุมมองจากทีมงานที่ร่วมสร้างอินเทอร์เน็ตที่ดีขึ้น
مدونة Cloudflare
غوص تقني عميق، وتحديثات المنتجات، ورؤى من الفرق التي تساعد في بناء إنترنت أفضل.
Cloudflare Blog
סקירות טכניות מעמיקות, עדכוני מוצר ותובנות מהצוותים שתורמים לבניית אינטרנט טוב יותר.
Cloudflare Blog
Tekniska djupdykningar, produktuppdateringar och insikter från teamen som hjälper till att bygga ett bättre internet.
Cloudflare Blog
Teknik derinlemesine analizler, ürün güncellemeleri ve daha iyi bir İnternet inşa etmeye yardımcı olan ekiplerden içgörüler.
Introducing Precursor: detecting agentic behavior with continuous client-side signals
Precursor, our new continuous behavioral validation engine for bot management, offers visibility into how humans and bots actually interact across the full user journey. By turning session-level behavior into bot detection signals, it identifies advanced automation with higher precision — while reducing friction for legitimate users.
Improving Smart Tiered Cache for Public Cloud Regions
Smart Tiered Cache allows for precise upper tier selection for origins hosted on AWS, GCP, Azure, and Oracle Cloud with customer-provided cloud region hints.
Why we cannot wait for better post-quantum signature algorithms
NIST is advancing nine new post-quantum signature algorithms as potential candidates for future standardization. We take a closer look at all of them, and argue that while they are in the works and show great potential, we should use ML-DSA for now — the best one currently available.
Introducing Meerkat- an experiment in global consensus
Cloudflare Research is building a global consensus service called Meerkat that uses a new consensus algorithm called QuePaxa. We plan to use Meerkat to build a strongly consistent, fault-tolerant key-value store, and other applications.
Cloudflare proudly joins the UK government's Cyber Resilience Pledge
The pledge is a voluntary framework inviting organizations to commit to foundational cyber security governance, board-level accountability, and supply chain rigor. For over a decade, Cloudflare has pioneered the core pillars of this framework: democratizing security, leadership accountability, and radical transparency.
Your Worker can now have its own cache in front of it
We are launching Workers Cache, a regionally tiered cache that sits directly in front of your Worker entrypoints. Infinitely composable, configured via standard HTTP headers
Announcing the Monetization Gateway: charge for any resource behind Cloudflare via x402
We're opening the waitlist for our Monetization Gateway, which will allow you to charge for any web page, dataset, API, or MCP tool behind Cloudflare. The charges will settle in stablecoins over the x402 open protocol, with no payments stack of your own to build.
Unmasking the crawls with Attribution Business Insights
Cloudflare’s new Attribution Business Insights dashboard helps website owners understand crawler behavior, appetite, and potential value, fueling business-level conversations around crawl compensation.
Making AI search smarter
Search is how we find nearly everything on the web — creators, merchants, answers. AI is rewriting the rules, leaving creators caught between staying discoverable in an agentic era and getting paid for their work. Today we're launching two initiatives to help.
Your site, your rules: new AI traffic options for all customers
For our second Content Independence Day, we’re giving website owners finer options to manage AI traffic. Instead of a one-size-fits-all block, all customers can now easily distinguish and manage Search, Agent, and Training bots, alongside the new ability to protect ad-monetized pages.
Content Independence Day, one year on- building the business model for the agentic Internet
One year after declaring Content Independence Day, a dynamic market for monetized content has officially emerged. In this report, we examine how the rise of autonomous AI agents is upending traditional search referrals and detail the new infrastructure required to support a sustainable web economy.
How we built saga rollbacks for Cloudflare Workflows
Cloudflare Workflows, our durable execution engine for multi-step applications, now supports saga-style rollbacks, allowing developers to specify a compensating action for each step.do().
Unlocking the Cloudflare app ecosystem with OAuth for all
Self-Managed OAuth is now available to all developers on Cloudflare. Here's how we executed a zero-downtime migration of our core OAuth engine to make it happen.
The White House's post-quantum executive order is an important milestone. It’s time to get to work
The new post-quantum executive order sets a 2030 migration deadline and establishes a powerful foundation for post-quantum resilience. We look at what it gets right, where it can go further, and our migration playbook for government and industry.
How we found a bug in the hyper HTTP library
By rearchitecting the Images binding, we accidentally uncovered a bug that existed in the open-source hyper library across multiple major versions.
Temporary Cloudflare Accounts for AI agents
The moment an agent needs to deploy something, it slams face-first into a wall built for humans. Today we're rolling out Temporary Accounts on Cloudflare Workers. Any agent can now run wrangler deploy — temporary and get a live Worker in seconds.
Build your own vulnerability harness
We break down the technical architecture behind our multi-stage vulnerability discovery harness and automated triage loop. Learn how we manage state controls, squash false positives through adversarial review, and route around LLM context limits.
Celebrating 12 years of Project Galileo
To mark the 12th anniversary of Project Galileo, Cloudflare has released its first comprehensive report analyzing cyberattacks against civil society.
Bringing more agent harnesses and frameworks to Cloudflare, starting with Flue
The Agents SDK is now a runtime any agent framework can build on. Today we're opening up the Agents SDK primitives, with Flue as a first framework targeting Agents SDK, and rolling out agents in the dashboard.
Introducing the Cloudflare One stack- agent-powered deployment
The Cloudflare One stack is a library of agent skills that gives any AI agent the knowledge it needs to plan, deploy, and manage a Zero Trust environment — no migration calls required.
Cloudflare DMARC Management is now generally available
Get unified visibility into your email authentication posture and reach full DMARC enforcement with deeper reporting, record analysis, and SPF audits free for every Cloudflare customer.
Growing the Cloudflare AI team with talent from Ensemble AI
Cloudflare is deepening our investment in AI with the addition of team members from Ensemble AI, focusing on machine learning infrastructure and efficiency.
Scaling Security Insights: how we achieved a 10x increase in global scanning capacity
Cloudflare Security Insights system now processes over 120 scans per second, providing frequent insights for all customers. By optimizing Kafka consumers, Postgres queries, and our API, we scaled our throughput 10x without adding hardware.
Defend against frontier cyber models: Cloudflare's architecture as customer zero
In our post about Project Glasswing, we made the argument that the architecture around a vulnerability matters more than the speed of the patch. Here we walk through what that architecture looks like, the threats it defends against, and how we run it ourselves as Cloudflare's customer zero.
Turning Cloudflare’s threat indicators into real-time WAF rules
Cloudflare customers can now use Cloudforce One threat intelligence directly within the WAF to block high-risk traffic. By using new cf.intel fields, security teams can automate protection against specific threat actors and targeted industries in real time.
Your AI bill is out of control. Cloudflare can fix it now.
AI Gateway now features real-time spend limits to prevent runaway token bills across multiple AI providers. By integrating with Cloudflare Access, companies can use identity-driven budgets and policies.
VoidZero is joining Cloudflare
VoidZero, the team behind Vite, Vitest, Rolldown, Oxc, and Vite+, is joining Cloudflare. Vite stays open source, vendor-agnostic, and built for everyone.
How we reduced core unit boot time from hours to minutes
We investigated why firmware updates were causing our core servers to take four hours to reboot. By diving into UEFI data structures and iPXE automation, we eliminated unnecessary timeouts and cut boot times back down to minutes.
How we built Cloudflare's data platform and an AI agent on top of it
Here’s how we built Town Lake, Cloudflare's unified analytics platform, alongside Skipper, an internal AI agent running on top of it.
Iran's Internet is partially restored, Cloudflare Radar data shows
Cloudflare Radar data confirms early indications of a partial Internet restoration in Iran, nearly three months after the shutdown began. Traffic spikes and DNS queries have risen, but network activity is currently just 40% of pre-shutdown levels.
Announcing Claude Managed Agents on Cloudflare
Cloudflare has integrated with Anthropic's Claude Managed Agents to provide a fast, isolated execution environment for autonomous code delivery. This means builders can scale agent workflows globally while strictly controlling access to private backends and easily customizing their agent’s tools and runtimes.
Project Glasswing: what Mythos showed us
In recent weeks, we pointed Mythos and other security-focused LLMs at live code across critical parts of our infrastructure. We share what we observed, the models’ strengths and weaknesses, and what the work around them needs to look like before any of it can scale.
When "idle" isn't idle: how a Linux kernel optimization became a QUIC bug
We investigated a bug where CUBIC's congestion window became pinned at its minimum floor, causing a performance to plummet. The fix involved correctly measuring idle periods to distinguish RTT wait times from actual application idleness.
Building For The Future
This afternoon, we sent the following email to our global team. One of our core values at Cloudflare is transparency, and we believe it's important that you hear this directly from us because it’s a major moment at Cloudflare.
How Cloudflare responded to the “Copy Fail” Linux vulnerability
When a critical Linux kernel privilege escalation was publicly disclosed, Cloudflare's security and engineering teams detected, investigated, and mitigated the threat across our global fleet, confirming zero customer impact and no malicious exploitation.
Code Orange: Fail Small is complete. The result is a stronger Cloudflare network
We have completed a massive engineering effort to make our infrastructure more resilient. Through new tools like Snapstone and the Engineering Codex, we've implemented safer configuration changes and automated best practices to prevent future incidents.
Introducing Dynamic Workflows: durable execution that follows the tenant
Dynamic Workflows is a library that lets you route durable execution to tenant-provided code on the fly. Built on Dynamic Workers, it enables platforms to serve millions of unique workflows at near-zero idle cost.
Agents can now create Cloudflare accounts, buy domains, and deploy
Starting today, agents can now be Cloudflare customers. They can create a Cloudflare account, start a paid subscription, register a domain, and get back an API token to deploy code right away. Humans can be in the loop to grant permission, but there’s no need to go to the dashboard, copy and paste API tokens, or enter credit card details.
Post-quantum encryption for Cloudflare IPsec is generally available
Cloudflare IPsec now has generally available support for post-quantum encryption via hybrid ML-KEM. We’ve confirmed interoperability with Cisco and Fortinet.
Shutdowns, power outages, and conflict: a review of Q1 2026 Internet disruptions
The first quarter of 2026 saw a surge in Internet disruptions, from nationwide shutdowns in Uganda and Iran to unprecedented drone strikes on cloud infrastructure. We explore the data behind these events using Cloudflare Radar.
Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen
Panics in Rust Workers were historically fatal, poisoning the entire instance. By collaborating upstream on the wasm‑bindgen project, Rust Workers now support resilient critical error recovery, including panic unwinding using WebAssembly Exception Handling.
