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Cloudflare’s 2025 Founders Letter

Beyond the Cloud: How a Global Supercomputer is Redefining Our Digital Future

The internet is undergoing its most significant transformation yet. For decades, we’ve relied on a centralized model, where data and applications live in distant data centers. But that era is drawing to a close. We are now entering a new phase where the internet itself is becoming a single, intelligent, programmable computer—a global supercomputer that connects everyone and everything.

This shift isn’t just a technical upgrade; it’s a fundamental change in how we think about security, performance, and innovation. The forces driving this evolution are clear: the rise of artificial intelligence, the dissolution of the traditional office, and the ever-growing need for instant, secure access to information. Understanding these trends is crucial for any business, developer, or individual who wants to thrive in the coming decade.

The Old Security Model Is Broken

For years, cybersecurity was based on the “castle-and-moat” approach. A company’s valuable data was the castle, and a strong network perimeter—the firewall—was the moat. Anyone inside the moat was trusted, and anyone outside was a threat.

Today, this model is completely obsolete. With remote work, cloud applications, and mobile devices, there is no longer a clear perimeter to defend. Employees and applications are everywhere. This new reality demands a modern security framework built on a simple but powerful principle: never trust, always verify.

This is the foundation of the Zero Trust security model. It assumes that threats can come from anywhere, both inside and outside the network. Every request to access a resource, no matter who or what is making it, must be strictly authenticated and authorized. This approach moves security from a static, location-based defense to a dynamic, identity-based one that is essential for protecting today’s distributed workforce and complex IT environments.

The Rise of a Global, Programmable Network

The limitations of the centralized cloud are becoming increasingly apparent. When your data has to travel halfway around the world to a massive data center and back, it creates latency, which slows down applications and degrades the user experience. Furthermore, navigating complex data privacy laws across different countries becomes a significant challenge.

The solution is to bring computation and data closer to the end-user. This is the promise of edge computing, where a vast, distributed network of smaller data centers works in unison. Instead of a handful of massive cloud regions, imagine thousands of points of presence in cities all over the world.

This architecture offers two transformative benefits:

  1. Unprecedented Performance: By running code and serving content from a location physically close to the user, applications become faster and more responsive.
  2. Effortless Compliance: A truly global network can automatically store and process data according to local regulations, simplifying the complexities of data sovereignty.

This network isn’t just for delivering content; it’s a programmable platform. Developers can deploy code directly onto the network itself, building a new class of ultra-low-latency applications that were previously impossible.

AI: The Internet’s New Engine and Its Greatest Threat

Artificial intelligence is the single biggest driver of demand for computing power today. Training large AI models requires immense resources, but running them—a process called “inference”—needs to be fast and efficient. A distributed global network is the ideal platform for AI inference, as it can run models close to the user, delivering instant results for everything from language translation to image recognition.

However, AI is a double-edged sword. While it enables incredible innovation, it also empowers attackers. AI-driven cyberattacks are becoming more sophisticated, personalized, and harder to detect. They can craft perfect phishing emails, discover new software vulnerabilities, and launch massive-scale attacks with frightening efficiency.

Defending against AI-powered threats requires an AI-powered defense. Security systems must be able to analyze massive amounts of data in real-time to identify subtle patterns and block emerging attacks before they can cause damage.

Actionable Steps to Secure Your Digital Future

Navigating this new digital landscape requires a proactive approach to security and infrastructure. Here are three essential steps every organization should take:

  • Embrace a Zero Trust Architecture: Move away from outdated perimeter-based security. Start by implementing strong multi-factor authentication (MFA) for all users, segmenting your networks, and ensuring every access request is verified, regardless of its origin.
  • Consolidate Your Security Services: Managing dozens of different point solutions for security is complex and inefficient. Look for a unified platform that can provide comprehensive protection, including DDoS mitigation, a web application firewall (WAF), and secure access controls, all managed from a single place.
  • Build on a Modern, Programmable Network: To deliver the best experience for your users and stay competitive, leverage a global network that prioritizes speed and reliability. This will not only improve performance but also provide the foundation needed to deploy next-generation applications powered by AI.

The internet is evolving from a simple network of connected computers into a powerful, intelligent global platform. The organizations that succeed will be those that understand this shift and adapt, building a faster, more secure, and more reliable digital world for everyone.

Source: https://blog.cloudflare.com/cloudflare-2025-annual-founders-letter/

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