Transactions on High-Fidelity Cybernetics and Intelligent Data Diagnostics (THFCIDD) is a peer-reviewed, open-access international journal that provides a high-impact platform for the publication of original research, reviews, and innovative applications in the fields of cybernetics, artificial intelligence, intelligent data analytics, and advanced computational systems. The journal is dedicated to advancing knowledge on the integrity, security, processing, diagnostics, and interpretation of complex digital environments through interdisciplinary approaches that combine computer science, informatics engineering, data science, and intelligent automation. THFCIDD welcomes contributions covering a broad range of topics, including machine learning, deep learning, big data analytics, cybersecurity, intelligent diagnostic systems, computational intelligence, cognitive computing, Internet of Things (IoT), cyber-physical systems, digital forensics, decision support systems, cloud and edge computing, explainable artificial intelligence, predictive analytics, digital twins, and Industry 4.0 technologies. Emphasizing both theoretical advancements and practical implementations, the journal seeks to foster innovation in the development of trustworthy, efficient, and intelligent digital systems capable of extracting meaningful insights from high-dimensional data and supporting autonomous decision-making in complex environments. Through a rigorous international peer-review process and unrestricted open access to published content, THFCIDD promotes the global dissemination of high-quality scientific research and serves as a valuable resource for researchers, academics, industry professionals, and policymakers engaged in shaping the future of intelligent technologies and data-driven digital transformation.