Home > Basics of Computer Forensic

Computer forensics is the art of finding the evidence which is valid in legal terms. Also there are standards that need be followed to acquire the evidence. Computer crime is increasing at an alarming rate and the procedures that are required for curbing the crime are not sufficient to have a counter effect. Hence there are introduction of new laws to deal with the computer crime and related issues.

The basics things that are required for a computer forensics professional includes the proper understanding of the computer hardware and software, understanding of the ethics and legalities, a thorough knowledge of computer operating system as well as the file system. The first thing the computer forensics professional must do when a case is handed over to him or his team is detailed case study.

Crime Scene Investigation is also an important task which should have the priority. It is the crime scene investigation over which further investigation is based. Computer forensics experts must identify the suspects and the sources from where the evidence can be collected. Also they are required to preserve the digital evidence and extract sufficient information from it that can be produced before the court of law.

The next thing is the analysis of the evidence. A thorough analysis of the evidence is needed before the case can be presented before the court. The findings should be then documented properly and the all the information in the form of evidence should be presented before the authority in concern.

The detailed things that need to be performed include acquisition of the electronic evidence as well as the securing the data and relevant information including the machine. When the machine is acquired then following tasks need be performed. Examination of the surroundings of the machine and documentation of the same should be done.

The next thing is to record the open applications. When the machine is acquired, it is moved out of the crime scene to a secluded place where the evidence cannot be tampered with. Hence it should be powered down carefully. A proper investigation for the traps should be carried out so that any unintentional action does not cause the deletion of data or information that could have been proved vital in further proceedings.

The next thing that needs the concern is to document the hardware involved. It is desirable that the documentation be carried out in the presence of a senior official. The best thing in any type of investigation process is to completely copy the storage media device.

So that any further investigation of the media does not lead to damage of the original one. Scanning of the emails also is an important task. There may reside a large quantity of email or data in the computer that need be scanned. It is advisable for the computer forensics professional to carry out the investigation from the visible and easily observable data and then proceed further in the depth of operating system files. Any piece of important information should not be neglected.

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