United States
USA
Collins Aerospace MUSE cyber disruption forces manual check-in at Brussels and other airports
RTX confirmed a 'cyber‑related disruption' to Collins Aerospace’s MUSE check‑in/boarding platform used at multiple airports. Brussels Airport reported manual processing with cancellations and delays, and Heathrow also warned of delays while operating manual fallback. The cyber event at the vendor caused downstream operational disruption for airlines and airports.
70
Estimated severity
70 / 100
91
Source reliability
91 / 100
Approximate Date
2025-09-19
Targeted Company
COLLINS AEROSPACE
Targeted Company Supply Chain Impact
Distribution & Fulfillment
Procurement & Sourcing
Production & Manufacturing
Sales (Retail & Ecommerce)
Warehousing
Service Delivery
Unrecognized Impact
Supply Chain Relations
BERLIN BRANDENBURG AIRPORT (Software vendor)BRUSSELS AIRPORT (Software vendor)DUBLIN AIRPORT (Software vendor)HEATHROW AIRPORT (Software vendor)
Geographic Impact
Country Targeted Company
Other Affected Countries
Belgium
BEL
Germany
DEU
United Kingdom
GBR
Ireland
IRL
Target country
United States
Affected countries
BelgiumGermanyUnited KingdomIreland
Impacted regions
No information
Operational Impact
Duration
No information
Financial impact (USD M)
No information
Impact types
Downstream customer disruptionOperational disruptionService degradationService unavailability
Affected sectors
Technology & IT ServicesTransportation
Affected departments
Information Technology
Attack Profile
Attack types
Ransomware
Attributed threat actors
No information
Sources
Incident Sources
reuters.comhttps://www.reuters.com/en/cyberattack-causes-flight-delays-cancellations-brussels-airport-2025-09-20/reuters.comhttps://www.reuters.com/legal/government/airport-chaos-highlights-rise-high-profile-ransomware-attacks-cyber-experts-say-2025-09-22/reuters.comhttps://www.reuters.com/business/aerospace-defense/collins-aerospace-working-restoring-software-airlines-hit-by-cyber-attack-2025-09-24/