Presented at
DEF CON 28 (2020) Virtual,
Aug. 7, 2020, 12:30 p.m.
(30 minutes)
4G based IMSI catchers such as the Hailstorm are becoming more popular with governments and law enforcement around the world, as well as spies, and even criminals. Until now IMSI catcher detection has focused on 2G IMSI catchers such as the Stingray which are quickly falling out of favor.
In this talk we will tell you how 4G IMSI Catchers might work to the best of our knowledge, and what they can and can't do. We demonstrate a brand new software project to detect fake 4G base stations, with open source software and relatively cheap hardware. And finally we will present a comprehensive plan to dramatically limit the capabilities of IMSI catchers (with the long term goal of making them useless once and for all).
Presenters:
-
Cooper Quintin
- Senior Security Researcher, EFF
Cooper is a security researcher and Senior Staff Technologist with the EFF threat lab. He has worked on projects such as Privacy Badger and Canary Watch. With his colleagues at threat lab he has helped discover state sponsored malware and nation state actors such as Dark Caracal and Operation Manul. He has also performed security trainings for activists, non profit workers and ordinary folks around the world. He also was a co-founder of the Hackbloc hacktivist collective and published several issues of the DIY hacker zine "Hack This Zine." In his spare time he enjoys playing music and playing with his kid and imagining a better future.
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