FILE – This March 12, 2013, file photo shows the air traffic control tower at Chicago’s Midway International Airport. Federal regulators have not taken adequate steps to protect computer systems on airliners from hackers, a government watchdog agency reported on Friday, Oct. 9, 2020. The agency said the Federal Aviation Administration has not developed a training program for cybersecurity or test airplane computer systems that could be vulnerable to attack. (AP Photo/M. Spencer Green, File)