About the reviewers

Vijay Kumar Velu is a passionate information security practitioner, author, speaker, and blogger, currently based in Malaysia. He has more than 11 years of IT industry experience. He is a licensed penetration tester and has specialized in providing technical solutions to a variety of cyber problems. He is the author of Mastering Kali Linux for Advanced Penetration Testing, Second Edition and Mobile Application Penetration Testing.

Pascal Ackerman is a seasoned industrial security professional with a degree in electrical engineering with over 15 years of experience in designing, troubleshooting, and securing large-scale industrial control systems and the various types of network technologies they utilize. After more than a decade of hands-on, in-the-field experience, he joined Rockwell Automation in 2015. He is currently employed as a senior consultant of industrial cybersecurity with the Network and Security Services Group. He recently became a digital nomad and now travels the world with his family while fighting cyber adversaries.