The number of crimes involving electronic data is sky-rocketing these days, particularly with the immense preponderance of computers and other digital media in our lives. Thus, data forensics has become a distinct sub-division of forensic science consisting of technical expertise, the finding of electronic evidence, digital investigations and even data recovery. Data forensics is right to use in judicial cases that involve breach of contract, intellectual property theft, discrimination, sexual harassment and so on. Therefore, it was not difficult for data forensics to become a legal necessity in the context of the computers’ ubiquity.

The exact specificity of data forensics is the extraction of pieces of information that would remain undetected at a normal investigation. File left-overs, deleted files, hidden and discarded files are searched and analyzed as part of the data forensics analysis. Although there are lots of challenges when trying to identify the criminal process or to recover data, experts in this fields have more than once been successful at finding the needle in the haystack. What is the relevance of such evidence for legal cases? Well, it has been proved by practice that even the course of a trial could be changed by the retrieval of deleted e-mail messages for instance.

Data forensics constantly needs to face apparently unsurmountable challenges. The applications do have far-reaching applications, but it takes hours to extract digital evidence and make it stable. Sometimes the extractor has difficulties in getting to the information that is buried too deep in the electronic system, or too exposed to destruction. This is also the reason why a duplication procedure is used to protect the information during the extraction process. Great caution, strict standards and lots of skills are needed for each of these steps and only the best in the field can succeed.

A data forensics expert should be contacted immediately, once a breach in the security system or a criminal act against electronic media is detected. This will enable the appropriate and cost-limited data collection in the best conditions possible. Besides computers, there are other electronic storage devices that can be the target of criminal activity, and data forensics also deal with hacked USB devices, DVDs or voice mail systems. Even photocopy machines include hard drives and the scanned or copied documents can be afterwards retrieved from them.

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Tags: computer, electronic, forensics, technology

This entry was posted on Friday, May 28th, 2010 at 9:17 pm and is filed under Data Recovery, hard drive recovery. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.