How to “Untrust” a Computer on Your iPhone or iPad

When you first plug your iPhone or iPad into a computer, you’ll be prompted to “trust” the computer on your device. This gives iTunes and other management tools on the computer the ability to access your photos, files, settings, contacts, and other data. Your iPhone or iPad remembers this decision and will automatically trust that computer in the future.

How Secure Are Mesh Wi-Fi Networks?

You’re considering a mesh Wi-Fi network, because you’re sick of that one spot in your house not getting any reception. But does the convenience of these systems come with the same security as other routers?

What Is coreauthd, and Why Is It Running on my Mac?

You’re looking through Activity Monitor to see what’s running on your Mac, when you notice something unfamilar: coreauthd. What is this process? First of all, it’s part of macOS, so don’t worry about it being nefarious. But here’s a quick look at what it does.

What Is a “Blockchain”?

If you’ve been watching the news lately, you might have heard about something called a blockchain. It’s a concept that makes data ultra-secure for specific uses. You’ve probably heard it in connection with Bitcoin, but it has applications far beyond everyone’s favorite cryptocurrencies. Here’s a quick explanation of how it works.

Smartphone Keyboards Are a Privacy Nightmare

Both Android and the iPhone allow you to replace the standard keyboard with a third-party one. By its very nature, though, a keyboard has full access to everything you type on it—from private messages to passwords and credit card numbers. Some of the keyboard’s data is often sent over the internet, where it could be stolen—or even abused by the keyboard’s developer.

How to Lock Down TeamViewer for More Secure Remote Access

TeamViewer is a great free program, whether you want to access your computer from afar or help out friends and relatives with their computer. But its default settings are remarkably insecure, instead favoring ease of use. Here’s how to lock down TeamViewer so you can make use of its features without opening yourself up to attack.

How to Change Your Snapchat Password

Snapchat has come along way from its slightly seedy, vanishing photo roots. Now you can actually save images to Snapchat’s servers indefinitely. With more potential personal information at stake, though, you’ve got to start taking your password security more seriously. If you used a really weak password when you first signed up, it’s time to change it. Here’s how.