Hackers ground 1,400 passengers at Warsaw in attack on airline's computers

Polish state-owned airline LOT suffers hacking assault on ground systems that causes 10 national and international flights to be cancelled

Around 1,400 passengers of the Polish airline LOT have been grounded at Warsaw Chopin airport after hackers attacked the airline ground computer systems used to issue flight plans, the company said.

The computer system was hacked on Sunday afternoon and fixed after about five hours, during which 10 of the state-owned carrier's national and international flights were cancelled and about a dozen more delayed, spokesman Adrian Kubicki said.