DEFEATING THE IPHONE PASSCODE

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Download free Defeating the iPhone Passcode.pdf Apple’s iPhone has swept the mobile device market since its July, 2007 release. No matter the demographic - tweens, corporate executives, grandmothers - they all must have an iPhone. When a single device becomes so widely used, it’s only a matter of time before it comes into the workplace. As the bridge between consumer and corporate is crossed, the threats to corporate data increases, and security must become a serious concern. In my role as a security consultant, I have had the opportunity to review one of the iPhone’s most important security features: the “Passcode Lock” mechanism. This whitepaper includes a basic overview of the locking mechanism, information on where the passcode is stored, and instruction on how to overwrite that location to ultimately defeat the mechanism.

Table of Contents Defeating the iPhone Passcode

Introduction
Acknowledgements
Background Information
The “Passcode Lock” Mechanism ~ The Keychain ~ DFU Mode ~ QuickPwn
Bypassing the Passcode
Result ~ Caveat
Procedure
Test Environment ~ Copying the Keychain ~ Extracting QuickPwn ~ Modifying Cydia ~ Modifying QuickPwn ~ Finishing up the Process
Miscellaneous Information
Accessing the Command line ~Important files

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