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Delays Persist at European Hubs After Cyber Attack on Check-In Software as Collins Nears Full Restore

A cyber-related outage in Collins Aerospace’s MUSE software highlights airports’ dependence on third‑party systems.

Overview

  • RTX’s Collins Aerospace said it is working with four affected airports and is in the final stages of updates to fully restore MUSE functionality.
  • Brussels Airport continues to see significant disruption on Monday, with 40 of 277 departures and 23 arrivals cancelled, after earlier asking airlines to trim schedules.
  • Heathrow reports the vast majority of flights operating, though check-in and boarding for some services may take longer; British Airways at Terminal 5 remains unaffected.
  • Airports relied on manual check-in and baggage tagging after kiosks and bag-drop systems went offline, with Dublin expecting no cancellations on Monday following weekend impacts.
  • EU and national cyber agencies are monitoring the incident, which has no confirmed attribution, and the European Commission says current signs do not indicate a widespread or severe attack.