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Advanced Mobile Device Analysis Using JTAG and Chip Off

Written by DFM Team


Advanced Mobile Device Analysis Using JTAG and Chip Off

Forensic analysis on mobile devices is becoming more complicated as the device developers in their attempts to prevent data leakage add OS based protection or data encryption. This presents signifi cant challenges to the forensics examiners and investigators. Although the digital forensics vendors provide the latest and newest forensics applications for the ease of analysis, these are often limited to a logical based approach or work under a simple assumption that the device is ready for analysis. Physical acquisition may be the most effective way to acquire data when the device is locked or damaged, but has not been rooted nor jailbroken. JTAG and Chip-off are alternative approaches that help to solve the problem. In this article we look at both of these approaches.

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Learning iOS Forensics

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Dr Tim Watson

Dr Tim Watson is the head of the Department of Computer Technology at De Montfort University

 

Coming up in the Next issue of Digital Forensics Magazine

Coming up in Issue 34 on sale from February 2018:


Device Forensics in the Internet of Things

As more businesses and consumers adopt IoT devices, privacy violations and cyber-attacks by malicious actors will become commonplace due to the insecure IoT infrastructure. Read More »

Data Destruction In Current Hard Disks & Data Destruction Techniques

Data destruction is a process traditionally applied using physical techniques, aiming at the completely destruction of the hard disk, however, there is an increasing interest in the use of logical techniques for data destruction, that allow reusing the physical device. Read More »

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Faster Searching For Known Illegal Content

Cryptographic (“MD5”) hash searching for known illegal material is one of the most thorough methods of digital forensic investigation. However, the technique is hampered by the ever-increasing size of media being examined, and the size of the hash list being searched. Read More »

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