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Cyberattack on Collins Aerospace Check-In System Disrupts Brussels, Heathrow and Berlin Flights

  • On Sunday, September 21, several major European airports, including Brussels, Heathrow, and Berlin, struggled to restore normal operations after a cyberattack disrupted automatic check-in systems.
  • The cyberattack started late Friday by hackers targeting Collins Aerospace's MUSE software, which several airlines use for check-in and boarding processes.
  • Brussels Airport faced significant disruptions, cancelling 50 of 257 departures on Sunday and requesting half of Monday's flights be cancelled to prevent chaos amid ongoing software issues.
  • RTX, the parent company of Collins Aerospace, announced on Saturday that it was actively addressing the problem and noted that manual check-in procedures could help reduce delays, with the impact on passengers ranging from minor inconvenience to longer wait times for those without online check-in or checked baggage.
  • The event caused widespread delays and cancellations but did not affect aviation safety or air traffic control, with regulators investigating the source as the situation remained unresolved on Sunday.
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(Brussels=Yonhap News) Correspondent Jeong Bit-na = Flight disruptions continued for the second day on the 21st (local time) due to cyberattacks on check-in and boarding systems at major European airports...

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London. A cyber attack on a passenger and baggage registration system provider interrupted operations at several major European airports on Saturday, including London’s Heathrow – the busiest on the continent – causing delays and cancellations of flights.

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RTL Info broke the news in on Friday, September 19, 2025.
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