Explore advanced 4G LTE security vulnerabilities in this 58-minute conference talk from the Hack In The Box Security Conference. Delve into the world of femtocell hacking, learning how to root a 4G LTE femtocell, make it portable, and perform man-in-the-middle attacks. Discover the potential security risks associated with compromised Home eNodeBs (HeNBs) and gain insights into the prototype Hacking Box of S1 Interface (HBoS). Follow along as the speaker, an experienced network security researcher, demonstrates techniques for exploiting small cell access networks and discusses the implications for telecommunication and IoT security.