Using your computer's Power button improperly, or pulling the plug, can lead to serious data loss. I'll look at the right way to turn your computer off.

Privilege is a fundamental concept in modern operating system design. We'll explore what privilege means as used by the CPU when software runs.

A home network allows you to share a single internet connection, as well as data and devices, between multiple devices. I'll review the basics components of a home network and some steps to take as your network grows.

Spectre and Meltdown sound scary. Here's what you need to do, which is hopefully what you're doing anyway, along with an attempt at an analogy.

Hacking a turned-off computer requires a few mistakes on your part. It's unlikely, but possible.

The purpose of the System Idle Process is to get out of the way to let other processes run. So what does it mean if the SIP is using 100% CPU on your slow system?

Trust is tricky when it comes to computers. When you add relationships to the mix, things quickly get complicated, and unfortunately, serious.

Reporting spam in your email program with the spam button is critical. Reporting it by forwarding it somewhere isn't going to do any good.

It's always a good idea to look for the "best". The problem is that when it comes to hard disks, "best" is a moving target.

Mobile broadband is a popular internet connection alternative. As with any connection, it's important to understand the security ramifications and tradeoffs.