Data and security breaches can cost organizations millions and result in bad publicity and lost income, with humans often being regarded as the "weakest link" in cybersecurity incidents. This book is a cross-disciplinary primer on the latest research on human aspects of cybersecurity, reimagining the role of humans in cybersecurity systems. It aims to increase participation in research on the emerging, critical, and impactful area of human factors of cybersecurity by orienting human factors researchers, professionals, and students to cybersecurity issues while providing them with comprehensive, cross-cutting knowledge from human factors that applies to this emerging area. Across nine chapters, the Handbook of Human Factors in Cybersecurity Systems covers the essential topics for understanding humans to optimize cybersecurity system performance. Topics included cover system safety, cybersecurity teams, safety culture, cyberattacks, defense approaches, phishing, emerging cybersecurity threats and many more. The book investigates cybersecurity across numerous industries, including aviation and healthcare, and is backed up by interesting, real-life case studies. The reader will develop a full and thorough understanding of how to integrate human factors principles with cybersecurity practices. With chapters from a team of global experts, this book is an essential read for any student, academic, or professional in the disciplines of computer engineering, systems engineering, safety engineering, human factors, and ergonomics and cybersecurity engineering.