Aerospace cybersecurity is the specialized domain of cybersecurity focused on protecting the complex systems and infrastructure integral to aeronautical and astronautical operations from malicious acts and unintended disruptions. It constitutes an interdisciplinary research field that investigates vulnerabilities, threats, and defensive strategies across aircraft, spacecraft, ground control segments, and associated networks, emphasizing the critical importance of ensuring safety, integrity, availability, and confidentiality in highly regulated and safety-critical environments.