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Microsoft Teams desktop application forensic investigations utilizing IndexedDB storage.

Furkan Paligu¹, Cihan Varol¹

¹Department of Computer Science, Sam Houston State University, Huntsville, Texas, USA.

Journal of Forensic Sciences

|February 19, 2022

Summary

This study explores Microsoft Teams data in IndexedDB for digital forensics. Artifacts from private chats and voicemails can be recovered, aiding investigations.

Keywords:

IndexedDB digital forensics forensic science persistent storage

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Area of Science:

Digital Forensics
Computer Science
Information Security

Background:

The COVID-19 pandemic accelerated the adoption of remote collaboration tools like Microsoft Teams.
Microsoft Teams utilizes IndexedDB for client-side data storage, presenting a novel area for digital forensic investigation.
Understanding data artifacts in Microsoft Teams is crucial for modern digital investigations.

Purpose of the Study:

To investigate the digital forensic artifacts generated by Microsoft Teams within its IndexedDB storage.
To assess the feasibility of extracting valuable forensic data from Microsoft Teams IndexedDB.
To evaluate the security implications of artifact accessibility.

Main Methods:

A quasi-experimental design (pretest-posttest) was employed to generate Microsoft Teams artifacts in IndexedDB.
Artifact extraction was performed without requiring user credentials.
Data analysis involved signature pattern processing, database queries, and time-frame analysis.

Main Results:

Significant digital forensic artifacts were successfully extracted from Microsoft Teams IndexedDB.
Complete contents of private chat messages and voicemails were recovered.
Artifact extraction occurred without user credentials, highlighting potential security vulnerabilities.

Conclusions:

Microsoft Teams IndexedDB storage is a valuable and largely untapped source for digital forensic investigations.
The extracted artifacts, including chat messages and voicemails, provide crucial evidence for investigators.
Efficient time-frame analysis enhances the utility of these artifacts in forensic investigations.