Dozens of popular iPhone apps caught sending user location data to monetization firms

A group of security researchers say dozens of popular iPhone apps are quietly sharing the location data of “tens of millions of mobile devices” with third-party data monetization firms.
Almost all require access to a user’s location data to work properly, like weather and fitness apps, but share that data often as a way to generate revenue for free-to-download apps.
In many cases, the apps send precise locations and other sensitive, identifiable data “at all times, consta