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By Dan Jones
A few weeks ago, we published our initial findings from Project Glasswing, looking at what happens when you point frontier security models at an enterprise codebase. We also explored how our defensive structures adapt to protect our infrastructure and customers from threats posed by frontier AI.
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By AJ Gerstenhaber
Adopting or migrating to a Zero Trust network architecture can be a daunting task. Before a single policy changes, teams have to recall how their network is actually built: which applications exist, their authentication and authorization constructs, how traffic flows between them, and any assumptions the current architecture makes. This hands-on process requires practitioners to decode the intent behind every security and routing policy in place.
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By Thomas Gauvin
2026 is the year agent harnesses go to production. The software that controls the model’s access to the outside world — harnesses like Codex, Claude Code, OpenCode, Pi, and Project Think — has matured to the point where teams are deploying agents as real, load-bearing infrastructure, not just prototypes. But building agents that survive production is hard.
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By Ayush Kumar
When we first launched DMARC Management, it was driven by a simple belief: every domain on the Internet deserves strong email authentication, and cost should never be the reason it doesn't happen. As part of our mission to help build a better Internet, we made DMARC Management available for free to every Cloudflare customer. We wanted to give everyone the tools to understand and improve their DMARC posture without needing to hire an email security consultant or parse XML report files by hand.
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By Alex Reneau
Today, we’re excited to share that key members of the team at Ensemble AI are joining Cloudflare to help accelerate our work in AI infrastructure and make it easier for developers to run powerful AI models efficiently at scale. Ensemble AI, founded in 2023 in San Francisco, has spent the last few years focused on one of the most important challenges in AI: making large models faster, smaller, and more cost-effective to serve, without sacrificing quality.
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By Dave Baxter
Security Insights provides actionable security recommendations for every Cloudflare account. To find these insights, we perform regular scans for all accounts, zones, and DNS records, looking for potential security risks and misconfigurations. However, two key issues emerged. First, our scans were too infrequent. Scans were only being performed every week or two, and therefore newly introduced security risks could remain undetected for up to two weeks.
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By Enrique Somoza
For most of the Internet’s history, public and private infrastructure operated as separate worlds. Public applications lived behind content delivery networks (CDNs) and web application firewalls (WAFs). Private applications lived behind virtual private networks (VPNs), firewalls, and separate operational stacks. We think that distinction is becoming obsolete.
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By Rohit Chenna Reddy
A few weeks ago, we wrote about Project Glasswing and what we observed when we pointed cyber frontier models at our own code. Since then, we’ve seen that the part of the post that has resonated most deeply is the argument that the architecture around the vulnerability matters more than the speed of the patch.
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By Alexandra Moraru
Cloudflare’s Threat Events provides security analysts with a window into the global threat landscape. The platform offers a peek into the immense traffic that Cloudflare processes every day, so you can see in real time which IPs are attacking specific industries or which threat actors are trending globally. However, translating that visibility into active mitigation has often been a manual, reactive process.
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By Ming Lu
There isn't a CIO on the planet not worried about AI spend right now. CFOs are increasingly nervous, too. For fear of falling behind, many companies have pushed their employees to use AI as aggressively as possible. The edict was clear: "Move fast, we'll figure out the bill later." And for the most part, it worked: AI has been genuinely transformational for the teams that leaned in. But the costs are real: we’ve heard countless horror stories of huge bills and painful overages on token spend.
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By Cloudflare
Check out this special video where we heard from Trey Guinn, one of our long-time Cloudflare volunteers who worked directly with organizations protected under Project Galileo.
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By Cloudflare
In this Women of Cloudflare segment, Cita James, Manager, People Team Business Partner at Cloudflare, shares her journey from Oklahoma City to Cloudflare’s People Team, working across Austin, Lisbon, London, and the EMEA region.
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By Cloudflare
How does your computer actually find data? JQ Lau from Cloudflare's hardware team explains the difference between CPU cache and memory with a simple analogy — and why it matters when you're designing servers for millions of requests.
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By Cloudflare
In this episode of This Week in NET, JQ Lau and Victor Hwang from our Network & Infrastructure Strategy team walk us through Cloudflare's 13th generation of servers — the machines that power a significant part of the internet across 330+ cities worldwide. The Gen 13 program doubled compute density by jumping from 96 to 192 cores, but that came with an 83% drop in L3 cache. The team explains how a bold hardware bet, combined with Cloudflare's FL2 Rust-based software rewrite, turned that trade-off into a win across throughput, latency, and power efficiency.
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By Cloudflare
In this episode of This Week in NET, Vinti Batiste, VP of Sales for US Enterprise at Cloudflare, shares her 30-year journey across IBM, Cisco, and now Cloudflare — and what it really means to be in enterprise sales. Vinti talks about growing Cloudflare's enterprise business 80% year over year, the moment Michelle Zatlyn walked into her first all-hands, how she uses AI to prepare for customer meetings, and why sales is really a math problem.
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By Cloudflare
Join Thomas Gauvin, Senior Product Manager, as he discusses the launch of Cloudflare Email Service in public beta, providing the essential infrastructure for agents to communicate via email. Tune in to learn about these three major updates.
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By Cloudflare
As cyber threats become more sophisticated, strategic partnerships are essential for robust defense. In this interview, we sit down with the team at SentinelOne to discuss how our integrated solutions provide end-to-end security for the modern enterprise.
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By Cloudflare
The conversation explores why the Internet and the cloud were not designed for an AI-agent world, and what infrastructure needs to change as software agents begin generating code, running workflows, and interacting directly with online services. Ming and Anni walk through several announcements from Cloudflare’s Agents Week, including new tools for agent infrastructure, memory, developer workflows, AI Gateway, email, artifacts, browser automation, security, and agent-ready websites.
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By Cloudflare
What happens to Internet security when quantum computers become powerful enough to break today’s encryption? In this clip from a full conversation on This Week in NET, Sharon Goldberg explains why researchers and companies are preparing for post-quantum cryptography, what could be at risk if current encryption is broken, and why the timeline may be closer than many expected. This clip is from the This Week in NET podcast about the future of encryption, quantum computing, and post-quantum cryptography.
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By Cloudflare
For decades, enterprise IT relied on a “hub and spoke” security model. But between the explosion of cloud infrastructure, SaaS apps and a remote workforce, that old perimeter hasn't just cracked—it’s shattered. In an attempt to stay on top of the advancing perimeter, many different solutions from many vendors entered the market and created a "spaghetti mess" of point solutions that drive up costs and tank user experience. Cloudflare is an answer to this problem, delivering everything you need to secure your apps, networks, users, data and devices.
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By Cloudflare
This whitepaper discusses the many challenges that DNS providers and users face including massive cyber attacks as well as performance and reliability issues, and how Cloudflare can help resolve these challenges, ensuring business continuity.
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By Cloudflare
Strategies for preventing data breaches, shadow APIs, abuse, and other common challenges.
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By Cloudflare
Organizations are facing economic uncertainty as the outlook grows more unpredictable. This uncertainty - often exemplified by shrinking budgets - puts pressure on CIOs and technical leaders to find new paths forward.
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By Cloudflare
This whitepaper discusses the growth of large scale DDoS attacks, how these attacks target as well as leverage DNS provider infrastructures, and how Cloudflare can help protect your business against the impact of such massive attacks.
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By Cloudflare
Growing a startup requires delivering excellent online experiences. In this guide, we share tips to help startups create the kind of high-performing, reliable, and secure websites and applications needed to do so.
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Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all traffic routed through its intelligent global network, which gets smarter with each new site added. As a result, they see significant improvement in performance and a decrease in spam and other attacks.
The Integrated Global Cloud Network:
- Zero Trust Services: Stop data loss, malware and phishing with the most performant Zero Trust application access and Internet browsing solution.
- Website & App Performance: Speed up websites, apps, & APIs through our global network to optimize your content & deliver it closer to the users location.
- Website & App Security: Protect websites & applications from bots, DDoS attacks & more. All while monitoring for suspicious activity & potential attacks.
- Network Security & Performance: Networking solutions to connect, secure, & accelerate your networks — without the cost & complexity of managing legacy hardware.
- Developer Platform: Deploy serverless code instantly across the globe to give it exceptional performance, reliability, & scale.
- SASE - Cloudflare One: Zero Trust network-as-a-service platform to dynamically connect remote & on-site users to resources, with identity-based security controls.
A global network built for the cloud.