Abstract
The extensive use of digital devices by individuals generates a significant amount of private data which creates challenges for investigation agencies to protect suspects' privacy. Existing digital forensics models illustrate the steps and actions to be followed during an investigation, but most of them are inadequate to investigate a crime with all the processes in an integrated manner and do not protect suspect's privacy. In this paper, we propose the development of a privacy-preserving digital forensics (P2DF) framework, which facilitates investigation through maintaining confidentiality of the suspects through various privacy standards and policies. It includes an access control mechanism which allows only authorized investigators to access private data and identified digital evidences. It is also equipped with a digital evidence preservation mechanism which could be helpful for the court of law to ensure the authenticity, confidentiality, and reliability of the evidences, and to verify whether privacy of the suspect was preserved during the investigation process.
Highlights
The advancements in information and communication technologies have enormously impacted the information storage and sharing approaches in the current digital world
Palmer (2001) compiled the definition of digital forensics as “the use of scientifically derived and proven methods toward the preservation, collection, validation, identification, analysis, interpretation, documentation and presentation of digital evidence derived from digital sources for the purpose of facilitating or furthering the reconstruction of events found to be criminal, or helping to anticipate unauthorized actions shown to be disruptive to planned operations”
We have presented a privacy-preserving digital forensics (P2DF) framework, which facilitate the forensic investigation officers for investigating digital crimes in an integrated manner without breaching the privacy of the suspect
Summary
The advancements in information and communication technologies have enormously impacted the information storage and sharing approaches in the current digital world. In 2001, a digital forensic research workshop was initiated to provide a knowledge sharing platform where experts from academia and industries could share their knowledge and experiences related to the digital forensics science In this venue, Palmer (2001) compiled the definition of digital forensics as “the use of scientifically derived and proven methods toward the preservation, collection, validation, identification, analysis, interpretation, documentation and presentation of digital evidence derived from digital sources for the purpose of facilitating or furthering the reconstruction of events found to be criminal, or helping to anticipate unauthorized actions shown to be disruptive to planned operations”. Introducing the use of data warehouse to facilitate data analysis at different levels of granularity. Addressingthe issues of digital evidence identification, preservation and presentation, various legal and technical challenges, and integration among identified digital evidences
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