What is Malwarebytes Browser Guard? As mentioned, it’s an extension (sometimes called an add-on) for a web browser, meaning you install it from, say, the Google Chrome store.

Old browser extensions can be a security nightmare. Here's how to nuke the ones you're no longer using.

Below, I'll explain how criminals extract personal data using browser extensions, how to identify legitimate extensions, and how to manage the ones currently on your browser.