Satellites Are Leaking the World’s Secrets: Calls, Texts, Military and Corporate Data

Researchers at UC San Diego and the University of Maryland have found that roughly half of geostationary satellite signals transmit sensitive data without encryption. The team spent three years using an $800 satellite receiver on a university rooftop in San Diego to intercept communications from satellites visible from their location. They collected phone calls and text messages from more than 2,700 T-Mobile users in just nine hours of recording.

The researchers also…