Image Credentials: Image Title: Dublin Airport T2 Faces Continued Disruption After Cyber Attack Source: (Sora.ChatGpt) Date: September 2025. Attribution: Created using AI-generated imagery (Sora.ChatGpt), this does not depict a real-world scene.
By Isabella Harper | Staff Writer with Agencies
Dublin Airport is experiencing a second day of significant disruption in Terminal 2 (T2) after a cyber attack impacted check-in and baggage drop operations, causing widespread delays and cancellations. This follows a major system outage that affected several airports across Europe, including London Heathrow, Brussels, and Berlin.
Impact on Operations
The airport’s operator, daa, has confirmed that the cyber attack continues to disrupt both the check-in and boarding systems. As a result, airlines are resorting to manual workarounds to generate boarding passes and bag tags, which has led to longer wait times for passengers.
Aer Lingus, one of the primary airlines operating at Dublin Airport, has acknowledged that the incident has had a “significant impact on operations.” The airline confirmed that there were delays to flights, along with several cancellations. Despite the ongoing issues, daa assured passengers that they are working to support airlines in managing the disruption.
Passenger Advice and Ongoing Recovery Efforts
Daa has advised passengers to arrive at the airport as planned, but to allow extra time for check-in and baggage drop procedures. Travelers who need to check in or drop off bags are encouraged to prepare for potentially longer delays than usual.
“While systems continue to be affected, we expect a full flight schedule to operate today,” a spokesperson from DAA said. However, the manual processes in place mean that passengers should factor in additional time when heading to the airport.
Yesterday, an unrelated security alert led to an evacuation of Dublin Airport, but the DA clarified that this event was not connected to the cyber attack.
Wider European Impact
The disruption began on Friday evening and continued through Saturday, with multiple airports across Europe experiencing delays and cancellations. The issue stemmed from a cyber attack targeting Collins Aerospace, an external service provider for check-in and boarding systems at several major airports. The technical glitch forced airlines at impacted airports to conduct check-in and boarding manually.
London Heathrow’s Terminal 4, which experienced confusion and long queues, was among the most affected. Heathrow issued a statement advising passengers to check the status of their flights before heading to the airport, noting that the majority of flights had continued to operate despite the system outage.
Brussels Airport also experienced heavy disruptions, confirming that the cyber attack had severely impacted check-in operations. The airport is working with the affected service provider to resolve the problem as quickly as possible, but delays and cancellations are expected.
Dublin Airport’s Terminal 2 has reopened after a major security alert forced 12,000 passengers to evacuate.
A suspect bag was later declared safe. It comes as cyber-attacks hit other major European airports.#VMNews pic.twitter.com/MClze0eXU8
— Virgin Media News (@VirginMediaNews) September 20, 2025
Cyber Attack Details
Collins Aerospace confirmed the cyber-related disruption, attributing the issue to its “Muse” software, which supports multiple airport services, including check-in and baggage drop. The company assured customers that it is actively working to resolve the issue and restore full system functionality. Meanwhile, manual check-in processes are being used as a temporary solution.
The European Commission, which oversees airspace management across Europe, said it was monitoring the situation closely. While the cyber attack had a significant impact, the Commission confirmed that there were no indications of the attack being widespread or particularly severe.
“We are in contact with impacted customers and are advising passengers to check SMS alerts and the airline websites for the latest updates,” Collins Aerospace added. “We appreciate the patience of everyone involved as we continue to manage the disruption.”
Ongoing Disruptions Across Europe
The cyber attack at Collins Aerospace has left multiple major airports struggling to maintain normal operations. Passengers traveling through Heathrow, Brussels, and Berlin should be prepared for extended wait times and potential changes to their flight schedules. With the situation ongoing, travelers are urged to stay updated through their airlines and check for the latest information before heading to the airport.
As efforts continue to resolve the cyber issue, passengers are encouraged to remain patient and cooperative while the affected airports work to restore their check-in and boarding systems.
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