KUALA LUMPUR, March 26 -- Several sources have disputed Malaysia Airports Holdings Bhd (MAHB) and the National Cyber Security Agency's (Nacsa) claim that airport operations have not been affected by the recent cyberattacks.

New Straits Times quoted an anonymous source claiming that initial findings suggested that a cyber intrusion compromised Kuala Lumpur International Airport's (KLIA) critical systems, leading to a prolonged outage.

"However, authorities have yet to confirm the nature of the attack or identify the parties responsible," they reportedly said.

NST reported that the source said the incident began in the early hours, and had disabled the airport's flight information display system, check-in counters, and baggage handling s...