The entire world has gone digital. There is almost no area of life that does not turn digital to date With the rise in technology, smartphones, and computers, cyber-crime and threats have also been increased. In cases where physical evidence is available, it is easy to collect traces and analyze them and present findings that can be used by prosecution or defense. In the case of cybercrimes, the evidence is all digital and this has led to the rise in cyber forensics investigations so indispensable in cases of intellectual property theft, computer misuse, pornography, commercial disputes, and online frauds.
Cyber-crimes revolve around digital data. In such instances, computer systems and mobile handsets are taken as evidence. The real data that counts, either as evidence for prosecution or defense, may have been deleted or encrypted. Accessing such data is not quite difficult for those with some computer savvy but the methods employed to uncover such fragmented, lost, encrypted, or partial data may not be accepted as evidence by a court of law. This is where an expert computer forensics investigator proves his worth.
The need for experts of computer forensics is increasing day by day. Most of the data today are transferred only in electronic form. So, the data may not only be limited to computer or mobile devices.
Data may have been stored in the cloud, in other servers, or simply deleted. An expert computer forensic investigator has a tough task. He must look for data without knowing what it is.
Knowledge of extraction of meaningful data is of course a prime consideration but what is more important is that the computer forensic professional must also have full knowledge of the law. They must be able to extract and present evidence before the court in an acceptable form. Cyber-crime today is not limited to one geographic location. They are also not restricted to use only one device for storing the data. Data that matters and can be used as evidence can be spread across various devices and maybe in a preserved, easily accessible format or maybe encrypted or deleted. It is the duty of the experts to present valid evidence before the court.
In the majority of the cases, computer forensic processes are used by the prosecution to uncover evidence against cyber criminals. However, there are also instances where an employee or a company or an individual may be wrongly accused of a cybercrime he did not commit, and the only way for him to prove his innocence is to employ an expert in the forensic investigation of electronic data.
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