An Introduction to Forensics Data Acquisition From Android Mobile Devices

The role that a Digital Forensics Investigator (DFI) is rife with continuous mastering possibilities, mainly as generation expands and proliferates into every corner of communications, amusement and enterprise. As a DFI, we deal with an each day onslaught of recent gadgets. Many of these gadgets, like the cell telephone or pill, use not unusual working structures that we need to be acquainted with. Certainly, the Android OS is essential within the tablet and cell cellphone industry. Given the predominance of the Android OS in the mobile device marketplace, DFIs will run into Android devices within the direction of many investigations. While there are several fashions that advise processes to acquire records from Android gadgets, this text introduces four possible strategies that the DFI ought to take into account while proof accumulating from Android gadgets.

A Bit of History of the Android OS

Android’s first industrial release turned into in September 2008 with model 1.0. Android is the open source and ‘loose to apply’ operating machine for cell gadgets advanced by means of Google. Importantly, early on, Google and other hardware groups fashioned the “Open Handset Alliance” (OHA) in 2007 to foster and aid the increase of the Android within the marketplace. The OHA now includes 84 hardware companies along with giants like Samsung, HTC, and Motorola (to call some). This alliance changed into set up to compete with companies who had their very own marketplace offerings, including competitive gadgets offered with the aid of Apple, Microsoft (Windows Phone 10 – which is now reportedly lifeless to the market), and Blackberry (which has ceased making hardware). Regardless if an OS is defunct or no longer, the DFI must realize approximately the various variations of multiple working system platforms, especially if their forensics focus is in a selected realm, consisting of mobile devices.

Linux and Android

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The present day generation of the Android OS is based on Linux. Keep in mind that “based on Linux” does now not mean the same old Linux apps will continually run on an Android and, conversely, the Android apps which you may enjoy (or are acquainted with) will not always run on your Linux laptop. But Linux is not Android. To make clear the point, please notice that Google selected the Linux kernel, the important a part of the Linux operating device, to control the hardware chipset processing so that Google’s builders would not need to be concerned with the specifics of how processing occurs on a given set of hardware. This lets in their developers to recognition at the broader running device layer and the person interface capabilities of the Android OS.

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A Large Market Share

The Android OS has a vast market percentage of the cell tool marketplace, primarily due to its open-supply nature. An excess of 328 million Android gadgets has been shipped as of the 0.33 quarter in 2016. And, in step with netwmarketshare.Com, the Android working system had the majority of installations in 2017 — nearly sixty-seven% — as of this writing.