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Geek Squad Email Scam: How to Spot It and What to Do
In 2025, the Geek Squad scam is still around and it’s more convincing than ever. The official-looking messages, familiar branding, and just enough personal detail can even fool the careful. To be clear: Geek Squad is Best Buy’s legitimate tech support service, but scammers exploit its good reputation to deceive their victims. In this guide,… Read more
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ChatGPT and Privacy: Everything You Need to Know in 2026
ChatGPT has serious privacy issues. It can collect and process highly sensitive details and associate it with your email and phone number. Read more
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What Is a VPC? How Virtual Private Clouds Work
Businesses often run apps and store data in the public cloud, which can create challenges when you want them to connect or work as a single infrastructure. A virtual private cloud (VPC) offers a separate network space for organizing those connections. This guide explains how VPCs work, what they cost, and when businesses should use… Read more
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What Is ECDSA? Everything You Need to Know
Every time your browser indicates that a site is using HTTPS, the site needs to prove it’s what it claims to be. Digital signatures do that job. They also let devices check that software updates come from a trusted source, and some blockchain networks use them to approve transactions. Elliptic Curve Digital Signature Algorithm (ECDSA)… Read more
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Web2 vs. Web3: Key Differences and Future Outlook
Web2 and Web3 are different approaches to building and running online services. This guide explains what they are, how they differ in practice, and what those differences mean for you. Web1 vs. Web2 vs. Web3: At a Glance Web1, Web2, and Web3 are informal labels for broad shifts in how the web functions and how… Read more
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What Is a Backdoor Attack? How It Works, Types & Prevention
Backdoors can be difficult to spot because they may give an attacker access without triggering security checks. If that access remains unnoticed, the attacker can keep using the affected system. This guide explains what backdoor attacks are, where backdoors can exist, how defenders find them, and what helps reduce the risk. Backdoor Attack Explained A… Read more
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What Is Bluejacking? How It Works and How to Spot It
Did you see an odd message pop up on your phone over Bluetooth and wondered if you’ve been hacked? You’re not alone. Bluejacking has confused and startled phone users since the early 2000s, and it’s often mixed up with far more serious Bluetooth attacks. This article explains what bluejacking actually is, how it differs from… Read more
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Bridge Mode: What It Is, How It Prevents Double NAT, and When to Use It
Adding a second router or mesh Wi-Fi system can sometimes create network conflicts, particularly if both devices try to act as routers. Bridge mode can resolve these issues by allowing one device to take over routing while the other passes the connection through. This guide explains what bridge mode is, when to use it, how… Read more