And flight attendants worldwide after a major breach in security protocols. united's procedures for gaining access to the cockpit were compromised. tom costello is joining me, what have you learned? >> reporter: chris, good morning. united like airlines carefully safeguards the information about how people can gain access to the flight deck. in other words, the keyboard pads. somehow that information got out. now the airline is quickly trying to fix that problem while reiterated two its entire staff that information, that security information, is very sensitive and should never be shared. this...