Overview

• Collins Aerospace confirmed a cyber-related disruption in its MUSE passenger software at some airports, affecting electronic check-in and baggage drop.
• Brussels, Heathrow and Berlin switched to manual processing, causing long lines and delays; Brussels reported 14 cancellations by afternoon with about 35,000 travelers scheduled.
• Airports advised passengers to verify flight status before traveling, and Heathrow asked travelers to arrive early as technicians worked to restore systems.
• Other hubs reported normal operations, including Paris Charles de Gaulle, Orly, Le Bourget, Frankfurt and Zurich, and core airport systems were not reported as compromised.
• No group had claimed responsibility as schedule management continued and experts highlighted the supply‑chain risk posed by shared third‑party aviation IT platforms.