vulnerability

ACorgi at a Windows computer in a home office. The computer has an external hard disk connected. On the screen is a progress message that says "Image Backup 75% Complete".

Why Is “Back Up First” Your Recommendation for Everything?

Why do I recommend backing up before almost everything? A complete system image backup is much more than lost-file insurance. It’s the closest thing to a silver security bullet for your computer.

A dramatic stopwatch frozen at zero, with streams of glowing red computer code racing through the clock face. Dark background with electric blue and red lighting creates urgency and tension.

What’s a Zero-Day Attack? A Diagram of the Vulnerability Timeline

Yes, your computer can get hacked even when it’s fully updated. Zero-day attacks exploit vulnerabilities that your antivirus software doesn’t yet know exist. I’ll explain how these attacks work and what you can do to protect yourself.

A Corgi in a bathroom. There are two holes in the walls in different places, each with an eye peering in.

Why Did My Security Software Not Detect a Virus on My PC?

Malware can slip past even a good antivirus program. Using my silliest metaphor yet, I’ll explain vulnerabilities, exploits, and what actually keeps you safe. Learn how infections happen and what you can do about it.

The Biggest Risk to Your Security

The biggest risk to your security might just be you. Learn why and what to do.

What’s an Exploit?

Industry experts use the term “exploit” in several ways, which makes warning messages pretty unclear. Stay safe by assuming the worst.