Can attackers defeat iOS keychain and data-protection encryption? [closed]
问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I am developing an iOS app that it has to store username and password and other sensitive data. I am considering using NSUserDefaults or keychain storage. Are there other more secure method to keep attackers from