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A beginner-friendly guide to confidential computing
Organizations have long had ways to protect data when it’s stored or sent across the internet using encryption. But there’s a catch: those protections usually stop when the data is actually being ...
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How we engineered a way to restrict child sexual abuse material without looking at your data
Our new partnership with the Internet Watch Foundation (IWF) proves that strong encryption and targeted CSAM prevention can coexist through careful DNS engineering. For years, the fundamental operatin...
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The ultimate guide to recursive DNS: Everything you need to know
The internet runs on a complex system called the Domain Name System (DNS) that turns human-readable domain names into machine-readable IP addresses. A recursive DNS server is a vital part of this syst...
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DHCP vs. DNS: Understanding key differences and functions
Every time a device goes online, it relies on two background services. One gives your device the settings it needs to join a network, and the other turns domain names like “example.com” into the n...
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What is Web3, and why does it matter?
Many people describe Web3 as the next stage in the history of the internet. Critics of today’s internet point to the dominance of a few small platforms that generate most of the overall traffic. Wha...
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What is Usenet and how does it work? A beginner’s guide
Long before TikTok trends, Instagram scrolls, and YouTube rabbit holes, the internet was a much quieter place. Digital conversations didn’t happen in ad-driven apps but in text-based communication s...
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What is IPsec? How this security protocol protects your network
IPsec, short for Internet Protocol Security, is a protocol suite designed to protect data as it travels across the internet. Whether you’re connecting to a work network from home or simply using a V...
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VPN protocols explained and compared: Which is best for speed, security, and everyday use?
When installing and using a VPN, you can usually choose a protocol like OpenVPN, WireGuard, or Lightway, ExpressVPN’s own high-speed protocol built for better performance and reliability. VPN protoc...
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Why ExpressVPN switched from C to Rust for Lightway's code
We have just rolled out a new version of Lightway to users—one that sees our pioneering VPN protocol rewritten in Rust programming language. Here we wanted to take a moment to discuss some of the mo...
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Lightway upgrade: Integrating ML-KEM for post-quantum security
Encryption is always evolving, and so are we. When Kyber emerged as a trusted frontrunner in the race to secure the post-quantum world, we integrated it into Lightway to ensure your data stayed ahead ...
