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الأربعاء، 27 مارس 2019

Duties Of A Forensic Computer Examiner

By Peter Sanders


Forensic science is a general term that is defined as the appliance of investigative, analytical and scrutiny skills in criminal and civil laws. Computer forensics is further defined as the incorporation of computing skills to investigate criminal activities and cyber crime activities. Forensic computer examiner plays a big role in curbing crime.

Scientific investigation involves using computing skills and high end technological procedures to obtain imperative information that may be used for judicial proceedings in a judicial court. The main purpose of analyzing data found in media devices is to build up on a case for or against an accused party with a main aim of convincing trial court judges that a particular piece of information presented to it is indeed true or false.

A typical examiner scrutinizes pertinent information from a cybercrime activity and later comes up with comprehensible findings that can easily be understood by a layman. Information is obtained from devices which include storage gadgets, computing devices, and mobile devices. These examiners are an imperative tool to state investigative departments as well to investigative firms.

Digital forensics can be covered in several concepts depending on the type of gadget information is extracted from. The operating system concept is such one type where information such as login details is recovered from the operating systems of devices. Network forensics monitors and analyzes useful information from the network. Such information includes monitored activities of an account or spoken, written or coded words that can be retrieved from a network.

Additionally, testifying in a court of law is a worth mentioning role of a forensic examiner. The expert is expected to give testimonials in a court of law if called upon. A scientific investigator can also act as only a technical expert in the matter involving a certain case. A technical expert is expected to give scientific explanations and facts or findings in a court without necessarily forming an opinion or taking sides. On the other hand a witness examiner provides evidence by convincing trial court judges that the information provided is relevant and true.

Forensic process for computing devices involves clear techniques that can be used to extract data from devices. Cross drive analysis is such one technique where information found on several storage devices may be linked up and a correlation created. Live analysis is yet another technique that may be used which involves obtaining data from within an operating system. Moreover deleted files technique is used to recover deleted files that are suspected to be containing evidence. Operating systems do not entirely erase files thereby easing the retrieval process.

The application field of computer forensic data is mainly for criminal law and private investigations. In criminal law the information presented can be used in the support of or against a certain supposition. Corporations may hire private examiners to investigate certain crimes that might have occurred within a company. In criminal law application, this data can be used for intelligence purposes to stop a potential crime or pin down the perpetrators of a certain crime.

In conclusion, the general tasks of a typical computer forensic examiner is acquiring relevant gadgets, analyzing and scrutinizing information and later presenting the data in a manner that can be understood by a layman. Examiners services are of great use to private investigative firms and state departments for crime control. Ultimately computer science skills are mandatory for any successful examiner.




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