It refers to an investigation into meaning of computer data and the actions of computer system. Cyber investigation is the process law enforcement, officers use to track criminals via the computer. This process use to investigate computer crimes or to track records of criminals using computer forensics. Basically, Cyber Crime deals with the offence related to the computer, computer network, computer resource, computer systems, computer devices and Internet. For other related crime such as child pornography, hacking, software piracy, child grooming and other kinds of frauds committed on internet. We conduct cyber investigation the software designed to track or record internet movements of specific users or IP addresses. When the software alerts that is specific website or the victim has been tracked we gather information regarding the user's identity by tracing his IP address back to service provider. Copyright is an another area where cyber investigation may be necessary.