A major cyberattack has severely disrupted airport operations across Europe, targeting a widely used aviation software provider and causing chaos at major hubs such as London Heathrow, Brussels, and Berlin. The incident, which unfolded on Saturday, led to hundreds of flight delays and cancellations, stranding thousands of passengers. The core of the disruption was linked to a cyber-related issue affecting software developed by Collins Aerospace, a subsidiary of RTX, formerly known as Raytheon Technologies. The compromised system, Muse, is essential for streamlining airline operations by enabling shared use of check-in desks, gates, and baggage handling. When the software was rendered inoperable, airports had to disconnect from the affected network and shift to manual procedures. This shift drastically slowed operations, resulting in long lines and widespread frustration among travelers. At Heathrow’s Terminal 4, some passengers reportedly waited over two hours, while airline staff manually tagged baggage and processed check-ins over the phone. Brussels Airport reported the cyberattack occurred late Friday, significantly impacting Saturday’s flight schedule. Similarly, Berlin Brandenburg Airport confirmed increased wait times, while airports in Dublin and Cork noted only minor disruptions, as some airlines quickly switched to manual check-ins. Passengers experienced additional complications when mobile boarding passes failed, forcing them to return to overwhelmed check-in counters already struggling to manage the surge. RTX confirmed that only select airports were affected and that the impact was confined to electronic check-in and baggage systems. They reassured the public that manual procedures would help maintain service continuity and that technical teams were actively working to restore full functionality. Meanwhile, affected airports deployed extra staff to assist passengers and urged travelers to verify flight details with their airlines before arriving, as delays continued throughout the day.
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