The advent of 6G has brought forth unprecedented advancements, intertwining artificial intelligence, virtual reality, and blockchain. However, with this transformative progress comes a myriad of security and privacy challenges that could potentially hinder the seamless integration of 6G. From UAV-based mobility to holographic telepresence, digital twins, and connected autonomous vehicles, the intricacies of this new era pose substantial threats to the intelligence process of communication development. Security Issues and Solutions in 6G Communications and Beyond Transformation is a comprehensive guide that meticulously navigates through the security labyrinth of 6G, offering insights into anticipated challenges and providing robust solutions. From distributed ledger technology threats to physical layer security intricacies and quantum communication hurdles, this book serves as a beacon for academics, managers, public and private organizations, and the general public seeking to understand and address the security concerns inherent in 6G communication networks. Aspiring to be more than a mere exploration, this book also catalyzes future research endeavors. Postgraduate students in accounting and other social sciences will find inspiration in the research findings, shaping the discourse on Security Issues and Solutions in 6G Communications and Beyond Transformation in the New Era. With recommended topics spanning Reconfigurable Intelligent Surface Assisted Localization to Energy-efficient Edge Association in Digital Twin-empowered 6G Networks, this book equips readers with the knowledge and tools needed to navigate the challenges and contribute to the secure evolution of communication technologies.