The Department of Homeland Security (DHS) issued a warning that small aircraft can easily be hacked by threat actors who have physical access to the vehicles.

By hacking into the aircrafts’ CAN bus system, threat actors can take control of key navigation systems and easily manipulate telemetry data potentially resulting in loss of control of the airplane, according to a July 30 US-CERT advisory.

“An attacker with physical access to the aircraft could attach a device to an avionics CAN bus that could be used to inject false data, resulting in incorrect readings in avionic equipment,” the DHS said in the advisory. “The researchers have outlined that engine telemetry readings, compass and attitude data, altitude, airspeeds, and angle of attack could all be manipulated to provide false measurements to the pilot.” 

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