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Article
Publication date: 29 May 2009

Da‐Yu Kao and Shiuh‐Jeng Wang

Cyber technology is an extremely complicated field and the internet is being increasingly used as a place to commit crimes using personal computers, as well as network‐based…

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Abstract

Purpose

Cyber technology is an extremely complicated field and the internet is being increasingly used as a place to commit crimes using personal computers, as well as network‐based computers. Although cyber investigation is still in the early stages of its development, the burgeoning use of the internet has increased the necessity for digital investigations. The purpose of this paper is to increase awareness of the latest in digital comparison for cyber‐crime investigation with the studies of IP‐address and time in computer systems.

Design/methodology/approach

The approach to improving a cyber‐crime investigation is proposed in three stages: independent verification of digital clues, corresponding information from different sources, and preparation of a valid argument.

Findings

If the police and other authorities do not stay on top of this problem, they may lose the battle to control this cyber‐crime explosion. The paper discusses how Taiwanese police investigate cyber‐crime and the experience is able to propagate when analyzing IP‐address and time with crime‐case. It is believed that this proposed approach creates a comprehensive guide that provides support and assistance to crime investigators.

Practical implications

IP‐address and time, both indicated in this paper, are the key ingredients to identify the suspect in the beginning of investigation works. As the study shows: there is no guarantee that there always will be the “right” evidence to prove everything; investigators should try their utmost to avoid making mistakes; criminal investigators must find additional clues and proof to validate their suspicions.

Originality/value

This paper illustrates an approach to the investigation of cyber‐crime in the case of studying IP‐address and time. It is believed that the research can efficiently assist law enforcement officials in dealing with ever‐increasing cyber‐crime by using effective digital evidence.

Details

Policing: An International Journal of Police Strategies & Management, vol. 32 no. 2
Type: Research Article
ISSN: 1363-951X

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