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The iPhone 4S and the New iOS 5 Operating System

Written by DFM Team


The iPhone 4S and the New iOS 5 Operating System

On October 4th 2011, new Chief Executive Officer of Apple, Tim Cook, introduced the new iPhone 4S. We take a look inside...


Today we have OS X and iOS as the two operating systems; OS X for Apple personal computers and iOS for the Apple mobile devices. The interoperability of the two operating systems provides the facility to store the same On October 4th 2011, new Chief Executive Officer of Apple, Tim Cook, introduced the new iPhone 4S; this phone has outsold every other Android smartphone and moved the benchmark higher on how a phone should be. The iPhone 4S looks very similar to the iPhone 4, with most of the changes behind the screen.

So, what does all this mean for the digital forensics community? Well while some things remain the same, others are very different. As with every change that comes from Apple, the learning curve continues. New features bring new artifacts. The overall partition scheme of two partitions, System and Data, has not changed. What has changed is where some of the artifacts reside. The venerable SQLite databases have changed in version and in schemes with most of the SQLite databases at version 3.7.3, so some tools will not have adapted to the new schemes and versions. For manual reviewing of the SQLite databases, the free version of SQLite Database Browser no longer is able to render the artifacts; hopefully the developers have begun to update the tool allowing us to examine these artifacts. In the mean time, viewing data can be accomplished by using a paid application, “Base” or from the command line. By using the strings command we can extract ACSII the characters helpful in locating deleted messages. There are probably windows programs that can effectively view these databases, but being a Mac nut, I am of the opinion that the Mac is the best platform to analyze anything Apple.



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Scott C. Zimmerman

Scott C. Zimmerman is a CISSP qualified Information Security consultant and presenter

 

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