Future of Mobile Forensics
Most would agree that the golden age of mobile forensics is over. There is no longer an easy way to get through the passcode in new iOS devices running the latest version of iOS. Chip-off acquisition is dead for iOS devices due to full-disk encryption, while physical acquisition of Apple hardware is dead since the introduction of 64-bit devices and versions of iOS 8 that cannot be jailbroken. Blackberries were highly resistant to chip-off acquisition from the beginning, and Android is getting there quickly. In this whitepaper, we will look into the current state of mobile forensics for the different platforms and devices, analyze current trends and attempt to predict how mobile forensics will look in the years ahead.
To gather these predictions, Belkasoft analyzed state-of-the-art tools, methods and hardware offered by leading manufacturers, and interviewed experts working for manufacturers of digital forensic products. Since manufacturers often specialize in specific areas (e.g. producing equipment for breaking iPhone passcodes), we questioned multiple representatives to be able to see the whole picture. Today, we are ready to share our findings.
Since Apple uses full-disk encryption with passcode-dependent, hardware-based encryption, chip-off acquisition has not been a possibility for a long time. The following acquisition methods are available for Apple devices:
- Sending the device back to Apple. Generally available to government agencies and law enforcement. Only for iOS versions prior to iOS 8.
- Physical acquisition. A non-destructive acquisition method allowing to obtain the full image of the device via the standard Apple cord.
- Logical (backup) acquisition. Deals with offline backup files produced by the device being analyzed.
- Over-the-air acquisition. Downloads information from the iCloud.
Let us briefly review the benefits, drawbacks and current trends for each acquisition method.
Sending to Apple
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