From there, I performed a full restore of my i Phone, ensuring that no backups or syncing was performed.I then performed a basic recovery of the raw disk using the forensic toolkit I put together, and analyzed it.The Big Short, the film adaptation of Michael Lewis' book of the same name about the causes of the financial crisis, opens in UK cinemas this weekend.How will the story stack up against the greatest films about business?What I discovered was that deleted mail, contacts, and pretty much all of my other personal information was still residing in unallocated space on the device.My personal information safe and sound, and available to anyone with the right skills to recover it." "What does this mean?Jonathan "Nerve Gas" Zdziarski, i Phone hacker and author of the "i Phone Open Application Development" and an i Phone Forensics Manual for Law Enforcement, has recently posted noted in his blog "As part of my work on a forensics toolkit for the i Phone, I decided to push my test device to the limits and see whether user data could survive a full restore in i Tunes.[...] I first deleted any backups of my device and then forced the i Phone into recovery mode.
In fact, mail, contacts, and various other data remain intact on the device after a restore, making the process unsuitable as a preparatory measure for i Phone resale or service.
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The i Phone DFU Mode lets you make very low-level changes to the software running the device. While it is related to Recovery Mode, it's more comprehensive and can be used to solve more difficult problems. When an i OS device is in DFU mode, the device is powered on, but hasn't yet booted up the operating system.
As a result, you can make changes to the operating system itself because it's not yet running.
To make matters worse, the restore process is likely to restore the original operating system files over the same location as the old ones, meaning very little data is likely to be corrupted at all.