Eligible Websites & Services
All eligible websites and services can be found in the scope tab of the HackerOne Mozilla Critical Services and HackerOne Mozilla Core Services policy pages.
Download Firefox
Firefox Privacy Notice
Firefox is no longer supported on Windows 8.1 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.
Firefox is no longer supported on macOS 10.14 and below.
Please download Firefox ESR (Extended Support Release) to use Firefox.