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Cloud computing technology is a rapidly growing field of study, which relies on sharing computing resources rather than having local servers or personal devices to handle applications. Most of the growth in this field is due to transfer of the traditional model of IT services to a novel model of cloud and the ubiquity of access to electronic and digital devices. Cloud computing posed a critical risk and challenges to digital investigators, but provides plenty of opportunities to investigators for improving the digital forensics. Moreover, cloud service providers and customers have yet to establish adequate forensic capabilities that could support investigations of criminal activities in the cloud. Notwithstanding the cloud presents some promising technical and economic benefits, users still resist to use cloud mainly due to security issues because it poses a challenge in doing cloud forensic investigations. Regarding this some research has been done, which propose solutions in doing forensic investigation. In this review paper, we take the first step towards reviewing the cloud forensics works that have been done by other researchers, and then do some discussion and analysis based on our findings to consider the opportunities and challenges confront the cloud forensics based on our findings.
Cloud computing technology is a rapidly growing field of study, which relies on sharing computing resources rather than having local servers or personal devices to handle applications. Most of the growth in this field is due to transfer of the traditional model of IT services to a novel model of cloud and the ubiquity of access to electronic and digital devices. Cloud computing posed a critical risk and challenges to digital investigators, but provides plenty of opportunities to investigators for improving the digital forensics. Moreover, cloud service providers and customers have yet to establish adequate forensic capabilities that could support investigations of criminal activities in the cloud. Notwithstanding the cloud presents some promising technical and economic benefits, users still resist to use cloud mainly due to security issues because it poses a challenge in doing cloud forensic investigations. Regarding this some research has been done, which propose solutions in doing forensic investigation. In this review paper, we take the first step towards reviewing the cloud forensics works that have been done by other researchers, and then do some discussion and analysis based on our findings to consider the opportunities and challenges confront the cloud forensics based on our findings.
Computer logs files contain the crucial information that is stored and can be an important forensics evidence of attacks and actions of a system. Cyber forensics can be one of the important solutions to systematically gather, process, interpret and utilize digital evidence and log of the activities and events of a system is one of the most important resources of analyzing the evidence for researchers, therefore a secure storage of forensic log is our main focus. In this paper, we propose a Trusted Module Platform (TPM)-based solution along with using Secure Virtual Machines (SVM) to secure the storage of forensic logs of the system for cyber forensics investigation. Since TPM provides protection before system boot process, it heavily limits the number of attacks that may bypass. Also SVM provide a secure environment to test software before installing on the client-machine. To ensure a secure logging system, our model will be using a smart combination of TPM, SVM and secure boot control to provide maximum log protection.
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