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.
The Open Systems Interconnection (OSI) model is a conceptual framework for understanding network communication. Although modern networks use TCP/IP, the OSI framework remains widely used for learning, designing, and troubleshooting…
Your home network likely connects a variety of devices, including phones, laptops, and smart TVs, and yet they all share a single public IP address. That's because behind the scenes,…
OneLaunch is legitimate software that creates a custom dock and dashboard on your Windows computer. You may have installed it, or it may have been bundled with another program. Some…
Sending critical data over the public internet is a lot like driving in rush hour. You don’t know when a sudden traffic jam or detour will slow you down. A cross-connect…
Every time you type a website name into your browser or use a service online, you rely on the Domain Name System (DNS) to get you there. Cybercriminals often search…
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…
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…
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…
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,…
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…