CHAPTER 2HACKING THE CELLULAR NETWORK

The cellular network underpins all of the major functionality of what we consider a smartphone. There does seem to be some confusion, however, about how magical this integral part of the cellular ecosystem actually is. Most folks, when asked how a cell phone works, would answer “It just does!” Although this might satisfy most people, it’s not a particularly satisfying answer for a security professional. Fortunately, understanding the basics of the cellular network doesn’t take complex calculus or a lifetime of experience in radio networks. We’re going to begin this chapter by introducing and then dissecting a standard Global System for Mobile (GSM) or Code Division Multiple Access (CDMA) carrier network, ...

Get Hacking Exposed Mobile now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.