Wednesday, January 29, 2014

The Important Role Of A Digital Forensic Investigator


by Eliza Mendoza


When a person commits a crime, he or she may leave evidence on electronic devices like computers. A computer forensics detective can use various techniques and skills to find such evidence and preserve it. A forensics investigator can help people solve numerous problems in the computer science field such as enhancing cyber security, natural language processing and data visualization. People who want to have the data saved in diffident kinds of storage devices analyzed can use the services of a digital forensic investigator.

Digital forensics is also referred to as electronic evidence discovery, computer forensic analysis, computer examinations, computer analysis and digital discovery. It involves preserving, identifying, interpreting and documenting evidence so that it can be presented in a criminal or civil court. Computer analysis helps recover deleted files and search the unallocated space on hard drives, where valuable evidence that is hard to find usually resides.

By using digital forensics, detectives can get clues about what a computer was used for by processing hidden files containing information about past usage. These professionals can recover data from flash disks, SD cards, backup tapes, zip disks and compact disks among other storage devices. They can analyze data in a computer even if it has been formatted or defragged.

Computer forensics plays an important role in many types of investigations. For example, in cases involving infidelity, a detective can find evidence of an unfaithful spouse. This professional can trail your partner using global positioning system technology. He or she can also recover deleted emails and short text messages.

Victims of harassment can also benefit from the services of a computer forensic detective. This expert can preserve the emails and call logs a victim or harassment received from the aggressor. They can then be used in a court of law to show that the person who made or sent them committed the offense of harassing their client. Computer forensics detectives can also analyze the headers in emails to trace the internet protocol address from which the email message originated.

A computer forensics detective can also perform surveillance. You can hire this professional if you want to gather evidence about the criminal activities a person is suspected of engaging in. The detective may utilize tools like spyware programs and keystroke loggers to get real time information about where and when a suspect left evidence of various illegal actions on a computer.

Investigators also use forensics analysis to discredit or support the hypotheses used by a prosecutor in court. They also use computer forensics to carry out internal investigations in organizations. These professionals usually follow a systematic process to investigate any case. They first acquire devices used to store data such as hard disks and memory cards and image them forensically. They also interview anyone who may have information that is related the case they are investigating.

When seeking the services of a digital forensic investigator, you should choose a professional who is highly trained and experienced in this field. This professional should also be ready to act as an expert witness in a courtroom. Providing expert testimony can be challenging and if evidence is presented poorly, a case can be disappointing. You should therefore choose a professional who can easily translate the forensic language into situational concepts that anyone in a courtroom can understand.




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