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Explore a groundbreaking security research presentation from the 39th Chaos Communication Congress that reveals how researchers used commercial satellite equipment to intercept unencrypted communications from geostationary satellites. Learn about the hardware setup and alignment techniques used to point a consumer-grade satellite dish at the sky to examine satellite communications visible from their location. Discover the shocking findings of sensitive traffic being broadcast without encryption, including critical infrastructure communications, internal corporate and government data, private citizens' voice calls and SMS messages, and consumer internet traffic from in-flight WiFi and mobile networks. Understand the technical aspects of parsing intercepted satellite data and examine surprising discoveries from the research, including previously unannounced results. Gain insights into the global scope of this vulnerability, with thousands of geostationary satellite transponders worldwide and data from single transponders potentially visible across areas covering up to 40% of Earth's surface. Presented by security researchers Nadia Heninger and Annie Dai, this 38-minute talk demonstrates how anyone with a few hundred dollars of consumer-grade hardware can passively observe this unprotected satellite traffic, highlighting significant privacy and security implications for satellite-based communications infrastructure.
