Firefox is among the world's safest and most secure browsers. Firefox security and Firefox privacy are covered in this free lesson.
Firefox takes great care to keep your personal information private. It offers many ways to control your privacy, like modifying your privacy settings, deleting your history, and browsing in a private window.
Firefox allows you to control some of the information you share online, which you can modify in your privacy settings. We recommend not changing Firefox's default selections, as they allow for the best balance of privacy and security while browsing. However, you can modify them if you want.