VIDEO COURSE

A Technical Guide to JTAG and How It Works: From Debugging to Security Risks in Automotive Applications (Video)

This course provides a comprehensive introduction to JTAG (Joint Test Action Group), a key protocol for direct on-chip debugging, programming and testing in automotive embedded systems.

You will learn and understand the application areas, the JTAG architecture, the signal flows and the implications for security risks, enabling you to use this powerful tool efficiently and securely in the development process and beyond.

  • Video Course

    Exclusive to Subscribers

  • English

    Language

  • Engineering & Testing

    Vehicle Technologies

  • BreachLabz (Munich, DE)

    Content Contributor
Trusted by leading automotive OEMs and suppliers
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WHY THIS VIDEO COURSE IS IMPORTANT

Learn the fundamentals of JTAG to combine the wide range of functions in development with reliable security

The JTAG interface is a versatile tool in the development of embedded systems and chips, and is widely used in the automotive context.

In this beginner-friendly video course, you will learn how to effectively use and secure JTAG interfaces to reliably test, debug and protect hardware from security risks.

In this course, you will learn:

  • How JTAG works and what it can be used for: Learn the basics of the JTAG architecture, including signals, state machine and TAP controller.


  • Understand how JTAG is used for on-chip debugging, boundary scanning and chip programming, and what features and mechanisms JTAG provides in detail.


  • Identify and address cybersecurity risks in JTAGs: Identify ways in which JTAG can be manipulated, such as memory dumping, firmware extraction and privilege escalation, and learn how to mitigate these risks.


With this basic knowledge of JTAG, you will be able to use JTAG effectively, identify potential vulnerabilities and take the first steps towards securing hardware components.
Key takeaways from this XX-minute video course

Introduction to JTAG and how it works video course content

Fundamentals of the JTAG protocol

Find out what JTAG is, how it works and its role in the process of designing, programming and debugging integrated circuits. You will also learn about the key features and functions of on-chip debugging.

JTAG Architecture and Signals Overview

Understand the architecture of the JTAG interface in conjunction with the Test Access Port (TAP). Communication between the JTAG host and the device is introduced, as are the relevant JTAG signals, including TCK, TMS, TDI, TDO and TRST. You will also learn about the exact role of the TAP controller and the state machine.

On-chip debugging: how does it work?

In this introductory section, we try to understand in more detail how on-chip debugging works, and what implications and features this access to the memory chip has throughout the product lifecycle.

Control and the JTAG Interface - State Machine

This brief overview shows how instructions and data can be loaded onto the target device and looks at the states that the state machine can be in and the functions that can be triggered.

Practical applications of JTAG

Learn how JTAG is used not only for boundary-scanning and debugging, but also for programming and configuring embedded systems - for example, in ECU and automotive applications.

JTAG in the context of cybersecurity

This section looks at the JTAG interface from an automotive cybersecurity perspective and its vulnerabilities or potential exploits, including hardware exploitation, memory dumping and privilege escalation. This brief overview shows how attackers can exploit JTAG interfaces and how you can secure them.
For Embedded System Developers and Test Engineers

This course is aimed at Hardware and Embedded System Developers and Test Engineers who regularly work with hardware and firmware and (want to) use JTAG for debugging and testing in embedded systems. You will learn how to efficiently use JTAG interfaces for fault analysis, code validation and microcontroller programming. This introductory course on the workings and fundamentals of JTAG will help you use JTAG appropriately and optimise your development processes.

For Cybersecurity Professionals focusing on Hardware Security


In this course, cybersecurity professionals will learn the basics of JTAG in on-chip debugging and how JTAG interfaces can be used as potential points of attack in automotive cybersecurity. Regardless of your background, this course will teach you how to read memory, gain privileged access and ultimately manipulate safety-critical systems. At the same time, you will get a first overview of how to secure these interfaces to minimise risks and protect systems from unauthorised access.

Thousands of users in various functions and roles already benefit from our content

Who is the target audience of this video course?

This course is ideal for embedded development and automotive cybersecurity professionals who want to gain a solid technical grounding in JTAG interfaces and their far-reaching security implications.

In addition to developing an awareness of how to protect embedded systems in the automotive environment, you will learn the technical fundamentals, practical applications, functions and mechanisms of JTAG, giving you the knowledge you need to optimise debugging processes and secure systems against potential attacks.
ABOUT THE AUTHORS

Provided by BreachLabz, experts in vehicle pentesting

This video training is a partner offering from BreachLabz, a team of renowned experts in vehicle penetration testing and cybersecurity engineering in vehicle development.

Headquartered in Munich, Germany, the BreachLabz team combines technical expertise in identifying vulnerabilities in vehicle systems and components with experience in developing vehicles that meet ISO/SAE 21434 and UN R155/CSMS cybersecurity requirements.

With their extensive practical experience, the BreachLabz training content offers a combination of detailed theory and practical guidance for assessing cybersecurity risks.
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Thousands of users all over the world benefit from our automotive cybersecurity learning content in their daily work

The automotive cybersecurity explanations in the video courses present complex topics in a comprehensive and clear way.
- Safety & Security Engineer
I would recommend the video training courses to anyone who wants to understand the role of cybersecurity in the automotive industry.
- Cybersecurity Manager
Impressive investment in content. Excellent coverage of topics. This is really making Automotive Professionals cybersecurity-ready!
- Functional Safety Manager
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  • Cancel anytime before next 6 months start
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When you subscribe to the CYEQT Knowledge Base video learning platform, you get full access to all the video learning courses on applied automotive cybersecurity in vehicle development and the automotive industry.

The content holistically covers compliance with ISO/SAE 21434 (and beyond) and covers topics such as Cybersecurity Management, Cybersecurity Engineering, Threat Analysis and Risk Assessment, and more. The video courses are in English and average 10-15 minutes in length.

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The content on the CYEQT Knowledge Base platform (formerly CYRES Academy) is based on the expertise of leading specialists and years of experience in the international consulting business for OEMs and suppliers in the field of applied automotive cybersecurity, with a focus on cybersecurity management and cybersecurity engineering in vehicle development.

In addition to in-depth theoretical knowledge of industry standards such as ISO/SAE 21434 and UN Regulation No 155 (among others), our courses provide practical approaches and applicable knowledge for development projects, processes and organisational structures in the automotive industry.
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