Abstract
The Chain of Custody is an intrinsic part of any inspection. Maintaining and evaluating the integrity of evidence procured from a crime scene is an important part that needs to be done properly by following a certain set of protocols to make the evidence admissible in the court. Keeping track of the evidence right from the moment it was collected from the crime scene till the time it reaches court is also a major task. It is important for the investigator to know how, where and who handles the evidence during analysis at each phase in order to safeguard the integrity of the evidence. Over a period of time, various tools and technologies have been created to handle evidence. Researchers from across the globe have presented various techniques on how evidence should be handled. Many researchers have even incorporated blockchain technology with the chain of custody or life cycle of evidence to make the process stronger. The growth in this domain has been at a rapid pace. This paper presents a method on “Maintaining and Evaluating the Integrity of a Digital Evidence in Chain of Custody” using a global positioning system. The methodology focuses on the use of global positioning system tags or chips which when embedded with the collected evidence enables an investigator to track the evidence throughout its life cycle. The proposed methodology aims to help the investigators to keep track of the evidence throughout its life cycle using very basic tools like FTK Imager and technology like a global positioning system.
Highlights
The rate of crime committed per day is increasing at a rapid pace across the world
Another challenge that an investigator faces is tracking of the evidence, since the evidence is analyzed by different forensic scientists, there always stays a chance that evidence may get tampered due to any circumstantial reason or a motive which can affect the integrity of the evidence and make it inadmissible in the courtroom
The research is focused and oriented towards the goal to achieve the integrity of a digital evidence throughout its life
Summary
The rate of crime committed per day is increasing at a rapid pace across the world. Hackers have been attacking computers and networks at a rate of one attack every 39 seconds [16] and 81 percent of surveyed organizations were affected seriously by these attacks [16]. They are referred to as” Penetration Testers” They perform risk assessment on organizations in order to find exploits, loopholes or vulnerabilities and report these to the concerned organization so that they can fix these and make themselves secure from attacks. They perform hacking but not with a motive of stealing, destroying or manipulating In most cases they inform the system owner or administrator with the loopholes, vulnerabilities and exploits present in their systems. Hackers are coming up with new attack patters daily and sometimes use of multiple tools is required in order to defend and analyses the attack origin which is yet another challenge To overcome such challenges new technologies like blockchain are being incorporated in the traditional tools and techniques to make the evidence analysis procedure stronger and more reliable. Use of GPS tags is the area which if embedded with existing technologies can proof to be very useful as it will allow us to track and maintain the integrity of the evidence throughout till the time it reached and becomes admissible in the court
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