Hunting the hunter, can you tell if your phone's being captured by a rogue cell phone tower/ IMSI catcher/ Stingray? Learn strategies to detect rogue cell phone towers and hear stories from adventures war walking Las Vegas during Defcon. Learn about IMSI catchers their capabilities, LTE to GSM downgrade attacks, and ways to protect yourself from these devices. Discover open source projects and other ways you can get involved to help make cellular technologies safer for users.