Firefox through the Normandy feature provides an option for unsolicited/ automagic updates to default values of a Firefox (targetted) instance. For more on the risk this poses take a look at the ycombinator threads.
To turn off Normandy in Firefox use the advanced settings route: about:config > app.normandy.enabled = false.
Update 1 (23-Oct-19):
- Principally Mozilla (Firefox) have always been in favour of user privacy.
To turn off Normandy in Firefox use the advanced settings route: about:config > app.normandy.enabled = false.
Update 1 (23-Oct-19):
- Principally Mozilla (Firefox) have always been in favour of user privacy.
