Why is that bad? Well, outside of an unknown actor profiting by using your hardware, it could lead to them having access to your data.
SEE: Cybersecurity strategy research: Common tactics, issues with implementation, and effectiveness (Tech Pro Research)
So how do you prevent this on the Firefox browser? Since there isn't a built-in mechanism, you must install a handy add-on. The add-on in question is Mining Blocker.
Let's install and use this handy tool that helps prevent your machine from becoming a victim of cryptomining.
To install the add-on, open up the Mozilla Add-ons page and search for Mining Blocker. On the add-on page, click the Add to Firefox button. When prompted click the Add button. That's it. The Mining Blocker is installed. You'll see a small axe icon in the toolbar, indicating it's installed and working. Every time you go to a site, Mining Blocker will run a check. When the site comes up clean, a checkmark will appear.
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Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website jackwallen.com.