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Faster Searching for Known Illegal Content

Written by DFM Team

Faster Searching for Known Illegal Content

Identifying problems and exploring methods to improve on-site triage when looking for known illegal content.

Data sizes and the number of items being seized as part of a typical investigation are increasing. However, the typical size of the digital forensic unit hasn’t increased on the same trajectory. This has led to many units having a backlog of work. Other units have implemented novel, and sometimes-questionable methods to try and handle the increased workload. Anyone who has worked in this area knows the consequences of these backlogs may be devastating, especially with much of the work undertaken by digital forensic analysts being associated with Child Sexual Exploitation (CSE) type enquiries or Counter Terrorism (CT) operations.


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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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