Department of Homeland Security official Robert Hickey hacked into a Boeing 757 in Atlantic City, N.J. Hickey said he and his team of experts accessed the 757s radio frequency communications The details of the hack are classified, but Hickey admitted it took place over a year ago. Commercial airliner vulnerabilities have been a concern for years, but airline pilots have heard of those vulnerabilities before. Hickey: All seven of them broke their jaw hitting the table when they said, You guys have known about this for years and havent bothered to let us know because we depend on this stuff to be the bible'”]
Source: https://www.csoonline.com/article/3236721/homeland-security-team-remotely-hacked-a-boeing-757.html