Sandboxes and virtual machines share some characteristics, but they are fundamentally different technologies. I'll look at both from a high level.

There are many reasons pictures don't show up in email. I'll review the complex world that is email, and some of the things that can go wrong.

Facebook account hacks happen. There are steps you need to take, not only to recover your account but to prevent it from being hacked again.

The rule is, never click on links unless you are 100% certain that they are from who you think they are. The question is, how can you be certain?

Software programs, like people, tend to get larger over time. I'll look at how that happens and a few things you can do to compensate.

UEFI is a replacement for the original BIOS that’s been running computers for almost a quarter of a century. UEFI allows manufacturers to take advantage of the security capabilities of the machines they produce.

Https is an important part of keeping your data safe, but it's only a part. It's important to understand what it does and doesn't mean.

When using a shared computer, it's too easy for others to see your data or history. If you must use a shared computer, you need to protect yourself.

Email attachments are useful, ubiquitous, and convenient. They're also abused, dangerous, and responsible for infections and data breaches.

Occasionally, one program uses all of your computer's processing resources. Using Task Manager, it's easy to figure out which program that is.