Hiding in Plain Signal - Physical Signal Overshadowing Attack on LTE

Explore a conference talk on a novel signal injection attack called SigOver that exploits vulnerabilities in LTE broadcast messages. Learn about the attack's design, implementation, and advantages over existing fake base station attacks. Discover five new attack scenarios and implications, including a demonstration of a fake emergency alert message. Examine the attack's high success rate and efficiency compared to traditional methods. Gain insights into potential countermeasures and the need for future research on robust defense mechanisms against this physical signal overshadowing attack on LTE networks.

Intro
LTE Architecture Overview
Attack Design
Time Synchronization
Frequency Synchronization
Summary of Main Questions
Test Environment
Advantages
Attack Efficiency
Signaling Storm Demo
Fake Emergency Alert Message
Defense
Conclusion