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What is a firewall and why it matters for security
Firewalls have been part of network security since the late 1980s. Since then, networks have expanded from local systems to the public internet, devices have multiplied, and applications now run acros...
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VPC vs. VPN: What each one does, and when you need both
Virtual private clouds (VPCs) and virtual private networks (VPNs) are often confused. The names sound similar, and they both come up when you’re thinking about cloud security. But they answer entire...
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Block cipher vs. stream cipher: How they work and when to use each
Block and stream ciphers are the two main families of symmetric ciphers used for encryption. They use the same cryptographic key to encrypt and decrypt data, but they process it differently. That diff...
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What is firmware? A beginner-friendly guide to the code inside your devices
Every time a device powers on, a small layer of software begins running before the operating system starts. This software is known as firmware, and it exists in almost every modern electronic device. ...
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What is the AI singularity, and are we getting close?
AI is becoming increasingly capable, leading to growing debate about how far the technology could eventually progress. One scenario often discussed is the “AI singularity,” a point at which machin...
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What can you do with a Raspberry Pi? Real ideas that work
Whether you're a first-time tinkerer or a seasoned developer, a Raspberry Pi is one of the most genuinely useful little computers you can buy. You can turn it into a media center, retro gaming console...
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Can VPNs be hacked? The real risks and how to stay safe
It’s possible for a virtual private network (VPN) to be hacked, but not in the way many people imagine. VPNs are designed to secure connections and protect data in transit, but they can still be aff...
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What is AI art? A beginner-friendly guide to how it works and what it means for creativity
You can find AI art nearly everywhere, from art, design, entertainment, and marketing to personal projects. Christie's, the world-famous art and antique auction house, even has an AI art auction. In s...
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What is generative AI? How it works, real examples, and why it matters
Although AI has been around for decades, generative AI in its current form has only emerged fairly recently. While earlier AI systems classified data, detected patterns, or made predictions, generativ...
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VDI vs. VPN: Which remote access solution is right for your business?
Virtual desktop infrastructure (VDI) and virtual private networks (VPNs) are often compared as remote access options, but they work in fundamentally different ways. VDI provides users with a desktop r...