Here’s the summary: > We pointed a commercial-off-the-shelf satellite dish at the sky and carried > out the most comprehensive public study to date of geostationary satellite > communication. A shockingly large amount of sensitive traffic is being > broadcast unencrypted, including critical infrastructure, internal corporate > and government communications, private citizens’ voice calls and SMS, and > consumer Internet traffic from in-flight wifi and mobile networks. This data > can be passively observed by anyone with a few hundred dollars of > consumer-grade hardware. There are thousands of geostationary satellite > transponders globally, and data from a single transponder may be visible from > an area as large as 40% of the surface of the earth...