Over the past few days Cloudflare has been notified through our vulnerability disclosure program and the certificate transparency mailing list that unauthorized certificates were issued by Fina CA for 1.1.1.1, one of the IP addresses used by our public DNS resolver service. From February 2024 to August 2025, Fina CA issued twelve certificates for 1.1.1.1 […]
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AI Week 2025: Recap
How do we embrace the power of AI without losing control? That was one of our big themes for AI Week 2025, which has now come to a close. We announced products, partnerships, and features to help companies successfully navigate this new era. Everything we built was based on feedback from customers like you that […]
The impact of the Salesloft Drift breach on Cloudflare and our customers
Last week, Cloudflare was notified that we (and our customers) are affected by the Salesloft Drift breach. Because of this breach, someone outside Cloudflare got access to our Salesforce instance, which we use for customer support and internal customer case management, and some of the data it contains. Most of this information is customer contact […]
Automating threat analysis and response with Cloudy
Security professionals everywhere face a paradox: while more data provides the visibility needed to catch threats, it also makes it harder for humans to process it all and find what’s important. When there’s a sudden spike in suspicious traffic, every second counts. But for many security teams — especially lean ones — it’s hard to […]
Troubleshooting network connectivity and performance with Cloudflare AI
Monitoring a corporate network and troubleshooting any performance issues across that network is a hard problem, and it has become increasingly complex over time. Imagine that you’re maintaining a corporate network, and you get the dreaded IT ticket. An executive is having a performance issue with an application, and they want you to look into […]
Cloudy Summarizations of Email Detections: Beta Announcement
Background Organizations face continuous threats from phishing, business email compromise (BEC), and other advanced email attacks. Attackers adapt their tactics daily, forcing defenders to move just as quickly to keep inboxes safe. Cloudflare’s visibility across a large portion of the Internet gives us an unparalleled view of malicious campaigns. We process billions of email threat […]
The age of agents: cryptographically recognizing agent traffic
On the surface, the goal of handling bot traffic is clear: keep malicious bots away, while letting through the helpful ones. Some bots are evidently malicious — such as mass price scrapers or those testing stolen credit cards. Others are helpful, like the bots that index your website. Cloudflare has segmented this second category of […]
AI Gateway now gives you access to your favorite AI models, dynamic routing and more — through just one endpoint
Getting the observability you need is challenging enough when the code is deterministic, but AI presents a new challenge — a core part of your user’s experience now relies on a non-deterministic engine that provides unpredictable outputs. On top of that, there are many factors that can influence the results: the model, the system prompt. And […]
How we built the most efficient inference engine for Cloudflare’s network
Inference powers some of today’s most powerful AI products: chat bot replies, AI agents, autonomous vehicle decisions, and fraud detection. The problem is, if you’re building one of these products on top of a hyperscaler, you’ll likely need to rent expensive GPUs from large centralized data centers to run your inference tasks. That model doesn’t […]
Securing the AI Revolution: Introducing Cloudflare MCP Server Portals
Securing the AI Revolution: Introducing Cloudflare MCP Server Portals Large Language Models (LLMs) are rapidly evolving from impressive information retrieval tools into active, intelligent agents. The key to unlocking this transformation is the Model Context Protocol (MCP), an open-source standard that allows LLMs to securely connect to and interact with any application — from Slack […]
