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IMP4GT - IMPersonation Attacks in 4G Networks

Black Hat via YouTube

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Overview

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This course analyzes the IMP4GT cross-layer attack against LTE/4G networks. It explains how missing user-plane integrity protection combined with IP reflection enables impersonation in both directions, examines effects on providers, users, and IoT deployments, and discusses mitigation and 5G implications.

Syllabus

Introduction
Motivation
Agenda
LTE Background Information
Security Aims
Control and User Plan Traffic
DNS Redirection Attack
The Relay
The Setup
Impact
Reflection
Encryption
Experiments
Downlink
Who is affected
Consequences
Law Enforcement Agencies
Consequences for Users
Conclusion

Taught by

Black Hat

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