How To Secure Your Firefox Browser
Enable Do Not Track The first and most basic thing you can do is enable the Firefox built-in Do Not Track protection. Do Not Track is good, but it’s not foolproof. Many sites, including the malicious ones, ignore it. Still, it’s a good thing to have enabled by default. Open Firefox, then select the main menu icon in the upper-right corner of the screen. Select Preferences. Go to the left panel and choose Privacy & Security....