Open Proxy: What Is It and Why Is Your IP Flagged as One?
An open proxy is a proxy server that anyone can use. But how does it work, and why might your IP be flagged as one? In this guide, we’ll explain…
Ahmed Khaled
Ahmed Khaled is a tech and cybersecurity writer at the PIA blog, where he covers VPNs, online privacy, and digital security. He’s been writing about tech since 2018, with a strong focus on cybersecurity and privacy tools since 2023. With a background in clinical research, Ahmed brings a detail-oriented, evidence-based approach to breaking down complex topics into clear, accessible content. When he’s not working, he enjoys going to the gym, playing video games, watching soccer, and spending time with his family.
Posts by ahmed.khaled:
Cookieless Tracking: What It Means for Your Privacy
For years, "clear your cookies" was a suggested privacy solution. It felt like a digital fresh start. You could wipe your browser history, and those targeted ads would disappear. But…
Encrypted DNS Traffic: What It Is and How It Works
The Domain Name System (DNS) is how your device finds websites online, but by default, your internet service provider (ISP), network admins, and even others on the same network may…
What Are Google DNS Servers and How to Use Them
If your internet feels slow or unreliable at times, your DNS settings might be the problem. Some internet service providers (ISPs) use DNS servers that are slower or less reliable,…
Why Is My Browser So Slow? Common Causes and Easy Fixes
When your browser is slow, even simple tasks can be very annoying. It takes a long time for pages to load, tabs freeze, and even simple searches are slow. While…
What Are the Types of DNS Servers and How Do They Work?
Every time your device connects to a website, an app, or a service, it relies on the Domain Name System (DNS) to translate the human-readable name (e.g. www.privateinternetaccess.com) into an…
Best DNS Servers for Gaming in 2026: Speed Up Your Connections
If your game takes forever to connect or keeps hitting annoying lookup delays, DNS could be slowing you down. While switching DNS won’t solve hardware limits or fix frame-rate drops,…
Cutting-Edge Technology Trends to Watch in 2026
Technology moves fast: what’s cutting-edge today can quickly become part of everyday life. Just a few years ago, AI assistants, robotic deliveries, and mixed-reality headsets felt like science fiction. In…
Web Browser vs. Search Engine: What’s the Difference?
Web browsers and search engines can seem like the same tool since we use them so often together and typically open one right after the other. But they do completely…
MPLS VPN Guide: How It Works and When to Use It
Large organizations need stable, predictable connections to keep branch offices, call centers, and data centers online. An MPLS VPN is great at this; it gives you private lines, so there’s…