Cybersecurity Architecture in the Connected Aircraft: Segregating Flight Controls from Passenger In-Flight Wi-Fi

Engineering zero-trust network boundaries under RTCA DO-326A and FAA Airworthiness Directives.

The Expanding Attack Surface of Modern Commercial Jets

Modern airliners are flying data centers: passenger in-flight entertainment, satellite communication links, maintenance data buses, and fly-by-wire controls share airframe routing channels.

Enforcing the Four Aviation Security Domains

Aviation standards divide aircraft into four strictly isolated domains: Aircraft Control Domain (ACD), Airline Information Services Domain (AISD), Passenger Information and Entertainment Services Domain (PIESD), and Passenger Owner Devices (POD).

Physical and Logical Cryptographic Boundaries

AvionicsOperations implements certified multi-layer firewalls and optical isolators, ensuring that no hacker on the passenger Wi-Fi network can ever inject packets into flight control or cockpit navigation systems.

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