Book Image

Learning Android Forensics

By : Rohit Tamma, Donnie Tindall
Book Image

Learning Android Forensics

By: Rohit Tamma, Donnie Tindall

Overview of this book

Table of Contents (15 chapters)
Learning Android Forensics
About the Authors
About the Reviewers

Android SIM card extractions

Traditionally, SIM cards were used for transferring data between devices. In the past, SIM cards were used to store many different types of data, such as:

  • User data

    • Contacts

    • SMS messages

    • Dialed calls

  • Network data

    • Integrated Circuit Card Identifier (ICCID): Serial number of the SIM

    • International Mobile Subscriber Identity (IMSI): Identifier that ties the SIM to a specific user account

    • MSISDN: Phone number assigned to the SIM

    • Location Area Identity (LAI): Identifies the cell that a user is in

    • Authentication Key (Ki): Used to authenticate to the mobile network

    • Various other network-specific information

With the rise in capacity of device storage, SD cards, and cloud backups, the necessity for storing data on a SIM card has decreased. As such, most modern smartphones typically do not store much, if any, user data on the SIM card. All network data listed above does still reside on the SIM, as a SIM is necessary to connect to all modern (4G) cellular networks.

As with all...