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.

The privacy of millions of people worldwide is at risk following an attack against a huge data location broker. 404 Media first reported the news of a potential data breach against Gravy Analytics on January 7,

Over 30 million location data points leaked after hackers breached Gravy Analytics, a location data broker. Here's how to defend yourself.