David Thiel

"The most thorough and thoughtful treatment of iOS security that you can find today." —Alex Stamos, Chief Security Officer at Facebook "David Thiel is the most skilled and knowledgeable iOS security researcher that I've worked with. Countless times David has identified iOS platform 'gotchas' and steered us toward more robust security patterns. David's advice for developing secure iOS applications has been indispensable to my organization." —Brandon Sterne, Director of Security Engineering, Workday, Inc. 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, you’ll move on to spotting bad code and plugging the holes. You’ll learn about: *The iOS security model and the limits of its built-in protections *The myriad ways sensitive data can leak into places it shouldn’t, such as through the pasteboard *How to implement encryption with the Keychain, the Data Protection API, and CommonCrypto *Legacy flaws from C that still cause problems in modern iOS applications *Privacy issues related to gathering user data and how to mitigate potential pitfalls Don’t let your app’s security leak become another headline. Whether you’re looking to bolster your app’s defenses or hunting bugs in other people’s code, iOS Application Security will help you get the job done well.

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