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Digital Forensic Framework for eXtended Reality Ecosystem

  • 오수빈 (Subin Oh, 아주대학교 일반대학원)

초록/요약

The current XR (Extended Reality) market is rapidly advancing with a variety of innovative technologies, such as VR (Virtual Reality), AR (Augmented Reality), and MR (Mixed Reality). XR technologies provide innovative user experiences through VR, AR, and MR. The advancement of XR technologies has led to the release of various XR devices. Moreover, the metaverse, a 3D virtual world implemented based on XR technologies, has attracted attention. In the metaverse, users can experience immersive environments comparable to reality without the constraints of time and space, and interact with numerous other users. While XR technology along with the metaverse is revolutionizing industrial environments, it can also causing several issues. The metaverse imitates elements of reality (self, place, currency, etc.) in virtual forms. Although this enhances user immersion, it also leads to the "synchronization of threats", where real-world threats are recreated in the metaverse, with actual cases reported. The threats associated with XR are not hypothetical. The types of threats are becoming more sophisticated, mimicking real-world threats, and their frequency is expected to increase. In the absence of XR technology standards, XR developed by various companies feature diverse architectures. The software and hardware supporting XR differ, and the operation methods and configuration of XR are diverse. Due to a lack of tools or significant research addressing digital forensic for XR, investigators face difficulties in this area. Therefore, it is important to understand the entire XR ecosystem, and to develop a universal digital forensic investigation method applicable to it. This study derives the XR ecosystem through an analysis of major XR vendors. Based on this, a digital forensic process is proposed throughout the lifecycle of users accessing the metaverse. To validate the proposed process, a scenario based on the XR environment of Meta, which is widely used, is designed. This scenario-based approach identified various artifacts across the ecosystem and presented their potential utilization. Keywords : Digital Forensic, Ecosystem, XR, Metaverse, VR HMD

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목차

Ⅰ. Introduction 1
Ⅱ. Related works 5
A. Digital forensic based on ecosystem 5
B. Digital forensic for metaverse 6
Ⅲ. XR ecosystem 9
A. Analysis of major XR devices 9
1. Information 12
2. Connectivity 12
3. System 13
4. XR devices development 14
B. Analysis architecture of major XR vendor 15
1. Meta 16
2. HTC 16
3. Pico 17
C. Establishing the ecosystem 17
Ⅳ. Proposed digital forensic framework for XR ecosystem 20
A. HMD area 21
B. Client area 21
C. Application area 22
D. Platform area 23
E. Cloud area 24
F. Integrated analysis 24
Ⅴ. Experiment and result 26
A. Design scenario 26
B. Analysis based on ecosystem 29
1. HMD area 29
2. Clinet area 33
3. Application area 34
4. Platform area 36
5. Cloud area 38
6. Integrated analysis 40
Ⅵ. Conclusion 41
References 44

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