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Thursday, October 10 • 11:00 - 12:00
Security transition from 4G to 5G: are we secure enough?

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5G raises the security bar a level above 4G. Although IMSI exposure is prevented in 5G, we found new vulnerabilities to attack devices and subscribers.

In this talk we expose a set of vulnerabilities in the 5G/4G protocols that are found in network operators equipment and also consumer devices such as phones, routers, latest IoT sensors, and even car modems. Our vulnerabilities affect several commercial applications and use cases that are active in 4G networks and are expected to take off in 5G networks.

We developed automated tools to exploit the exposed cellular information and share some of our research traces and data sets to the community. We demonstrate a new class of hijacking, bidding down and battery draining attacks using low cost hardware and software tools.

We did a rigorous testing worldwide to estimate the number of affected base stations and are surprised by the results. Finally our interactions with various vendors and standard bodies and easy fixes to prevent our attacks are discussed.

Speakers
avatar for Altaf Shaik

Altaf Shaik

Altaf Shaik is a principal security researcher at Kaitiaki Labs and currently pursuing PhD at the Technical University of Berlin. He is experienced in analyzing cellular network technologies from radio to networking protocol layers. His recent renowned research includes low-cost 4G... Read More →
avatar for Ravishankar Borgaonkar

Ravishankar Borgaonkar

Dr. Ravishankar Borgaonkar works as a research scientist at Sintef Digital and undertakes research in securing next generation digital communication. His primary research themes are related to mobile telecommunication and involved security threats. This ranges from 2G/3G/4G/5G network... Read More →


Thursday October 10, 2019 11:00 - 12:00
01. Westvleteren University

Attendees (74)