Five-year-old program provides government with direct access to email, messages, browser history, more

A lawsuit by New Mexico’s attorney general accuses a popular app maker, as well as online ad businesses run by Google and Twitter, of violating children’s privacy law.

Facebook can identify people people "at risk" of jumping ship from one brand to a competitor. The technology raises ethical alarms among experts.

Under Tim Cook’s leadership, Apple saw just how critical an issue user privacy would become. Now it’s at least as important a feature as shiny industrial design or a nice camera.

Idle Android devices typically send data ten times more often to Google than iOS devices do to Apple's servers, according to new research shared...