Explore the critical vulnerabilities and escalating cyber threats facing Global Navigation Satellite Systems (GNSS) in this 30-minute conference talk from Ekoparty Security Conference. Gain deep insights into how essential GNSS technologies like GPS, GLONASS, Galileo, and BeiDou provide crucial positioning, navigation, and timing services across multiple sectors while becoming increasingly susceptible to cyber attacks. Learn about various disruptive techniques that pose serious threats to critical infrastructure including transportation systems, utility networks, public safety operations, and financial services. Understand the potential widespread chaos that could result from compromising these vital satellite systems that silently support modern infrastructure and daily operations.