People wait to check-in in front of counters for Japan Airlines at the departures hall of Haneda Airport in Tokyo on December 26, 2024. – Japan Airlines on December 26 reported a cyberattack that caused delays to domestic and international flights but later said it had found and addressed the cause. (Photo by Yuichi YAMAZAKI / AFP)

Tokyo, Japan — Japan Airlines said its systems were up and running again after a cyberattack on Thursday caused delays to domestic and international flights.

“We have identified the cause and scope of the malfunction, and the system has been restored,” said the airline, Japan’s second biggest after All Nippon Airways (ANA).

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The “large data attack” did not leak any customer information and safety was unaffected, Japan Airlines (JAL) said in a post on social media platform X.

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READ: Japan Airlines reports cyber attack

Japanese media said it may have been a so-called DDoS attack aimed at overwhelming and disrupting a website or server.

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Ticket sales for domestic and international flights departing on Thursday were suspended during the incident but have now resumed, JAL said.

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Although the cyberattack did not cause major disruption, the airline earlier said that 24 domestic flights had been delayed by more than half an hour.

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Problems with the carrier’s baggage check-in system caused delays at several Japanese airports, local media said.

JAL shares fell as much as 2.5 percent in morning trade after the news emerged, before recovering. Its stocks were down 0.2 percent in the afternoon.

Article continues after this advertisement ‘Human error’

Separately, a transport ministry committee tasked with probing a fatal January 2024 collision involving a JAL passenger jet released an interim report on Wednesday blaming human error for the incident that killed five people.

The collision at Tokyo’s Haneda Airport was with a coast guard plane carrying six crew members — of whom five were killed — that was on a mission to deliver relief supplies to a quake-hit central region of Japan.

According to the report, the smaller plane’s pilot mistook an air traffic control officer’s instructions to mean authorisation had been given to enter the runway.

The captain was also “in a hurry” at the time because the coast guard plane’s departure was 40 minutes behind schedule, the report said.

The traffic controller failed to notice the plane had intruded onto the runway, oblivious even to an alarm system warning against its presence.

All 379 people on board the JAL Airbus escaped just before the aircraft was engulfed in flames.

Comments from top Federal Reserve officials suggesting they would like to see a slower pace of rate cuts tempered hopes for another bumper cut at the bank’s next meeting, while Middle East worries pushed gold to a new record.

Japan Airlines is just the latest Japanese firm to be hit by a cyberattack.

The country’s space agency JAXA was targeted in 2023, although no sensitive information about rockets or satellites was accessed.

The same year one of Japan’s busiest ports was hit by a ransomware attack blamed on the Russia-based Lockbit group.

In 2022, a cyberattack at a Toyota supplier forced the top-selling automaker to halt operations at domestic plants.

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And more recentlysuperace88, the popular Japanese video-sharing website Niconico came under a large cyberattack in June.

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