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Detecting Fake 4G LTE Base Stations in Real Time

USENIX Enigma Conference via YouTube

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Overview

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This course teaches how to detect fake 4G LTE base stations in real time. The learning outcomes include understanding the operation of cell-site simulators, detecting CSS, and mapping out antennas for anomalies. The course covers topics such as the Stingray, 4G/LTE CSS operation, and previous detection efforts. The teaching method involves a demonstration of a new software project using open source software and affordable hardware. The intended audience for this course includes individuals interested in cybersecurity, privacy, and telecommunications.

Syllabus

Intro
What is a Cell-Site Simulator
Our First Efforts to Detect Cell Site Simulators
The Stingray
How do 4G/LTE CSS Work
How Often are CSS Being Used
Previous Efforts to Detect CSS
Crocodile Hunter Software and Hardware
Decode Broadcast Messages SRSLTE scans a list of frequencies for information blocks Decode system information blocks and send over socket
Mapping out antennas in real time
Looking for Anomalies
Oakland, CA
What's With the Name?
Future Work
Key Takeaways

Taught by

USENIX Enigma Conference

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