Investigating computer-related crime by Peter Stephenson

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By Peter Stephenson

Written through an skilled info safety expert, Investigating Computer-Related Crime is customized to the desires of company info pros and investigators. It supplies a step by step method of realizing and investigating protection difficulties, and gives the technical details, criminal details, and laptop forensic innovations you must protect the protection of your company's information.

Investigating Computer-Related Crime discusses the character of cyber crime, its impression within the twenty first century, its research and the problems encountered by way of either public legislations enforcement officers and personal investigators. by means of detailing an research and delivering worthwhile case reports, this booklet bargains insights into accumulating and maintaining proof, interrogating suspects and witnesses; dealing with the crime in growth, and matters in related to the specialists. The pro writer deals important, firsthand details on utilizing the forensic utilities for retaining proof and looking for hidden info, that can assist you devise ideas to the computer-related crimes that threaten the wellbeing and fitness of your organization.

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Even then, there are precautions that administrators should take to ensure that TFTP can’t be abused. However, suppose that an attacker has gained root and wants to leave a file transfer “back door” into the system. conf configuration file to turn TFTP back on. Following that with a quick browse of the file systems on the computer to identify desired documents, and a cleanup to eliminate log entries, the intruder can transfer files using TFTP without ever logging into the computer again. As long as the administrator doesn’t discover that TFTP is in use (it’s supposed to be turned off ), this harvesting process could go on indefinitely.

If the work is being done on the victim machine, however, you will likely have to look elsewhere for your evidence. Even so, it is possible that the attacker will have performed some task while logged into the ©2000 by CRC Press LLC victim’s computer, will show up on his or her machine, and can be traced to the victim. For example, a remnant of a directory tree from the victim computer found in the slack (unused) space on the attacker’s machine could establish that he or she had gained entry into the victim.

Establishing the fact of an intrusion and the source of it are very different things. Realistically, both you and the victim should be prepared for that outcome. In most cases, intrusions are the most difficult incidents to connect to an individual. While you might assume that all computer-related crimes are, at their base, intrusions, when we speak of intrusions we mean those events where the accessing of the computer using a covert communications channel is the primary feature. For example, the theft of data could occur in a variety of ways, some of which involve legitimate access by authorized users.

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