Penetration testing to secure your iOS app

Derek Selander of the Ray Wenderlich team has written a two-part tutorial on securing your iOS application:

…you will be taking on the role of a penetration tester, evaluating your iOS app security to identify vulnerabilities. The goal … is to make you more security-conscious by showing common methods attackers use to circumvent your application’s logic and retrieve important user data.

iOS app security: Part 1, Part 2