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iOS Forensics for Investigators

You're reading from iOS Forensics for Investigators Take mobile forensics to the next level by analyzing, extracting, and reporting sensitive evidence

Product type Paperback

Published in May 2022

Publisher Packt

ISBN-13 9781803234083

Length 316 pages

Edition 1st Edition

Tools

iOS

Concepts

Forensics

Author (1):

Gianluca Tiepolo

View More author details

Table of Contents (17) Chapters

Preface

1. Section 1 – Data Acquisition from iOS Devices

2. Chapter 1: Introducing iOS Forensics FREE CHAPTER

3. Chapter 2: Data Acquisition from iOS Devices

4. Section 2 – iOS Data Analysis

5. Chapter 3: Using Forensic Tools

6. Chapter 4: Working with Common iOS Artifacts

7. Chapter 5: Pattern-of-Life Forensics

8. Chapter 6: Dissecting Location Data

9. Chapter 7: Analyzing Connectivity Data

10. Chapter 8: Email and Messaging Forensics

11. Chapter 9: Photo, Video, and Audio Forensics

12. Chapter 10: Analyzing Third-Party Apps

13. Chapter 11: Locked Devices, iTunes Backups, and iCloud Forensics

14. Section 3 – Reporting

15. Chapter 12: Writing a Forensic Report and Building a Timeline

16. Other Books You May Enjoy

Analyzing photos and videos

Every time a photo or video is taken through a device's camera or saved onto a device, iOS analyzes it and generates a multitude of metadata, which is stored in the Photos.sqlite database.

The following is a list of events that occur during the process:

First, the newly created photo or video is saved in /private/var/mobile/Media/DCIM/1**APPLE/ as a JPG, HEIC, MP4, or MOV file. The folder name will iterate upward (100APPLE, 101APPLE, 102APPLE, and so on) as more photos or videos are stored on the device.
Additionally, the PreviewWellImage.tiff image is created and stored in /private/var/mobile/Media/PhotoData/MISC/. This image is the thumbnail that is displayed in the Photos app where the most recent image is displayed.
As the new media is stored, a new entry is created in the Photos.sqlite database, in the ZGENERICASSET table. Since iOS 14, this table is now called ZASSET. The new record will contain metadata such as the date and...

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Authors (1)

Tiepolo

Tiepolo

Gianluca Tiepolo is a cybersecurity researcher who specializes in mobile forensics and incident response. He holds a BSc degree in Computer Science and an MSc in Information Security, as well as several security-related certifications. Over the past 12 years, he has performed security monitoring, threat hunting, incident response, and intelligence analysis as a consultant for dozens of organizations, including several Fortune 100 companies. Gianluca is also the co-founder of the startup Sixth Sense Solutions, which developed AI-based anti-fraud solutions. Today, Gianluca works as a Security Delivery Team Lead for consulting firm Accenture Security. In 2016, he authored the book Getting Started with RethinkDB, published by Packt Publishing.

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