A hack and data breach at location data broker Gravy Analytics is threatening the privacy of millions of people around the world whose smartphone apps unwittingly revealed their location data collected by the data giant.

As we shared yesterday, data broker Gravy Analytics was recently hit by a massive data breach, exposing the personal data of millions of iPhone and Android users. According to TechCrunch, this included not only demographic information but also location data,

Russian-speaking hackers are believed to have stolen a huge trove of location data pulled from people’s phones around the world. Tens of millions of phone coordinates pinged through the use of thousands of popular apps are said to have been accessed.

A massive Gravy Analytics data breach has exposed precise location data for millions of users of popular smartphone apps.