Cybersecurity protocols for aviation maintenance data: Safeguarding the digital backbone of modern aviation

This article presents a comprehensive overview of cybersecurity protocols essential for safeguarding aviation maintenance data in an increasingly digitalized industry. It examines the evolving threat landscape facing Engineering Information Systems (EIS) and maintenance platforms, including advanced persistent threats, ransomware, and insider threats. The article details core security technologies such as encryption methodologies, authentication mechanisms, and network segmentation approaches that form the foundation of effective protection. Implementation strategies, including security-by-design principles, continuous monitoring, and supply chain security, are discussed with practical applications. Special attention is given to human factors in maintenance cybersecurity, recognizing that technical solutions alone cannot ensure comprehensive protection without addressing awareness training, governance frameworks, and remote maintenance considerations. By integrating technological, organizational, and human-centered approaches, aviation maintenance organizations can navigate digital transformation while maintaining the integrity of critical maintenance data that directly impacts operational safety.