Wondering why your promo emails go unanswered? There is a good chance they are going straight into spam folders. I'll describe three things that make your emails look like spam, and what you can do to fix them.

The moment you hit Post, copies of what you shared start spreading. Marking it private won't stop it. Deleting it won't fix it. I'll describe what happens to everything you put online, and why it matters.

Your computer goes to sleep just fine, but waking it up? Sometimes it comes back without a hitch. Other times, the screen stays dark and nothing works. I'll discuss why sleep mode can be unreliable and what you can do about it.

There's a surprising and counterintuitive technique related to how some encryption tools work: your password is not what locks your data. I'll describe what keeps your data secure and why changing your password doesn't always mean re-encrypting all your data.

Instagram just killed its encrypted DMs. But here's the real story: most people never had it turned on to begin with. If you care about keeping your conversations private, I'll share which apps I recommend.

Device drivers are behind-the-scenes software that make your hardware work. I'll discuss the right way to update drivers and explain why to avoid driver update services.

Cloud storage is one of the most useful tools around, but it brings two real risks along for the ride.

When your computer goes to the shop, can you trust a stranger with your personal files? I'll share how to keep your data safe before handing your machine over, and what your options are when it's too late.

Your router's default password might as well be no password at all. Changing it is an important step you can take to secure your home network. I'll show you how to find your router's settings and lock it down with a strong password.

A new AI just found thousands of security vulnerabilities in nearly every major operating system, and its maker decided the world wasn't ready for it. What does that mean for you?