Eliminating security holes in iOS apps is critical for any developer who wants to protect their users from the bad guys. In iOS Application Security, mobile security expert David Thiel reveals common iOS coding mistakes that create serious security problems and shows you how to find and fix them. After a crash course on iOS application structure and Objective-C design patterns, youβll move on to spotting bad code and plugging the holes. Youβll learn about: βThe iOS security model and the limits of its built-in protections βThe myriad ways sensitive data can leak into places it shouldnβt, such as through the pasteboard βHow to implement encryption with the Keychain, the Data Protection API, and CommonCrypto βLegacy flaws from C that still cause problems in modern iOS applications βPrivacy issues related to gathering user data and how to mitigate potential pitfalls Donβt let your appβs security leak become another headline. Whether youβre looking to bolster your appβs defenses or hunting bugs in other peopleβs code, iOS Application Security will help you get the job done well.