Book Image

IoT Penetration Testing Cookbook

By : Aaron Guzman, Aditya Gupta
Book Image

IoT Penetration Testing Cookbook

By: Aaron Guzman, Aditya Gupta

Overview of this book

IoT is an upcoming trend in the IT industry today; there are a lot of IoT devices on the market, but there is a minimal understanding of how to safeguard them. If you are a security enthusiast or pentester, this book will help you understand how to exploit and secure IoT devices. This book follows a recipe-based approach, giving you practical experience in securing upcoming smart devices. It starts with practical recipes on how to analyze IoT device architectures and identify vulnerabilities. Then, it focuses on enhancing your pentesting skill set, teaching you how to exploit a vulnerable IoT device, along with identifying vulnerabilities in IoT device firmware. Next, this book teaches you how to secure embedded devices and exploit smart devices with hardware techniques. Moving forward, this book reveals advanced hardware pentesting techniques, along with software-defined, radio-based IoT pentesting with Zigbee and Z-Wave. Finally, this book also covers how to use new and unique pentesting techniques for different IoT devices, along with smart devices connected to the cloud. By the end of this book, you will have a fair understanding of how to use different pentesting techniques to exploit and secure various IoT devices.
Table of Contents (19 chapters)
Title Page
About the Authors
About the Reviewers
Customer Feedback

Threat modeling IoT device hardware

It is time to analyze hardware threats for our target DVR. Most consumer DVRs are easy to open up and disassemble to examine their various inputs as well as their peripherals. This is due to the need to expand storage space or simply because they are not designed to be heavy duty like production hardware security modules (HSMs) which have tamper protections in place.

How to do it...

In this exercise, we use diagrams to help us with demonstrating hardware inputs.

Step 1: Creating an architecture overview and decomposition

The following is a diagram of the DVR's hardware:

Depicting the image, there are eight BNC connectors for cameras, two USB ports, one Ethernet port, one power port, a VGA, and an HDMI port facing the outside of the DVR. Inside the DVR are various chips, with one being an EEPROM and possible inputs for UART on the PCB board itself.

Step 2: Identifying threats

An attacker could exploit the DVR hardware inputs to do the following...