Major European airports including Heathrow face ongoing disruptions after Collins Aerospace MUSE software hit by cyberattack. Manual check-in continues.
Sseema Giill
A major cyberattack on Collins Aerospace’s MUSE software caused severe disruptions at Europe’s busiest airports between September 19–21, 2025. The attack targeted check-in and boarding systems, forcing airports to switch to manual procedures and leading to widespread flight delays, cancellations, and passenger chaos.
This attack adds to rising cyber threats on critical infrastructure. Recent cases include Jaguar Land Rover production shutdown and Marks & Spencer financial hit.
The European Commission said no evidence yet of a “widespread or severe attack” but confirmed ongoing probes.
Q1. Which airports were affected?
Heathrow, Brussels, Berlin, and Dublin were the worst hit. Other European airports also faced knock-on effects.
Q2. What system was hacked?
Collins Aerospace’s MUSE software, used for check-in, baggage drop, and boarding.
Q3. How long will disruptions last?
Authorities expect delays to continue into the week as systems are gradually restored.
Q4. Were passenger data or safety compromised?
No evidence so far of data theft or flight safety risks; the attack mainly disrupted check-in processes.
Q5. Who is behind the attack?
Investigations are ongoing; no group has yet claimed responsibility.
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