Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage

Digital Evidence is becoming an indispensable factor in most legal cases. However, technological advancements that lead to artifact complexity, are forcing investigators to create sophisticated connections between the findings and the suspects for admissibility of evidence in court. This paper scrut...

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Main Authors: Furkan Paligu, Cihan Varol
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Future Internet
Subjects:
Online Access:https://www.mdpi.com/1999-5903/12/11/184
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author Furkan Paligu
Cihan Varol
author_facet Furkan Paligu
Cihan Varol
author_sort Furkan Paligu
collection DOAJ
description Digital Evidence is becoming an indispensable factor in most legal cases. However, technological advancements that lead to artifact complexity, are forcing investigators to create sophisticated connections between the findings and the suspects for admissibility of evidence in court. This paper scrutinizes whether IndexedDB, an emerging browser technology, can be a source of digital evidence to provide additional and correlating support for traditional investigation methods. It particularly focuses on the artifacts of the worldwide popular application, WhatsApp. A single case pretest–posttest quasi experiment is applied with WhatsApp Messenger and Web Application to populate and investigate artifacts in IndexedDB storage of Google Chrome. The findings are characterized and presented with their potential to be utilized in forensic investigation verifications. The storage locations of the artifacts are laid out and operations of extraction, conversion and presentation are systematized. Additionally, a proof of concept tool is developed for demonstration. The results show that WhatsApp Web IndexedDB storage can be employed for time frame analysis, demonstrating its value in evidence verification.
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spelling doaj.art-b55a2a823c5f4166b3c4a2d1a8617bed2023-11-20T18:49:38ZengMDPI AGFuture Internet1999-59032020-10-01121118410.3390/fi12110184Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent StorageFurkan Paligu0Cihan Varol1Computer Science Department, Sam Houston State University, Huntsville, TX 77340, USAComputer Science Department, Sam Houston State University, Huntsville, TX 77340, USADigital Evidence is becoming an indispensable factor in most legal cases. However, technological advancements that lead to artifact complexity, are forcing investigators to create sophisticated connections between the findings and the suspects for admissibility of evidence in court. This paper scrutinizes whether IndexedDB, an emerging browser technology, can be a source of digital evidence to provide additional and correlating support for traditional investigation methods. It particularly focuses on the artifacts of the worldwide popular application, WhatsApp. A single case pretest–posttest quasi experiment is applied with WhatsApp Messenger and Web Application to populate and investigate artifacts in IndexedDB storage of Google Chrome. The findings are characterized and presented with their potential to be utilized in forensic investigation verifications. The storage locations of the artifacts are laid out and operations of extraction, conversion and presentation are systematized. Additionally, a proof of concept tool is developed for demonstration. The results show that WhatsApp Web IndexedDB storage can be employed for time frame analysis, demonstrating its value in evidence verification.https://www.mdpi.com/1999-5903/12/11/184digital forensicspersistent storageweb browser forensics
spellingShingle Furkan Paligu
Cihan Varol
Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
Future Internet
digital forensics
persistent storage
web browser forensics
title Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
title_full Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
title_fullStr Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
title_full_unstemmed Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
title_short Browser Forensic Investigations of WhatsApp Web Utilizing IndexedDB Persistent Storage
title_sort browser forensic investigations of whatsapp web utilizing indexeddb persistent storage
topic digital forensics
persistent storage
web browser forensics
url https://www.mdpi.com/1999-5903/12/11/184
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