Heathrow & other European Airports have been hit by a cyber attack this morning, leading to delays in flights and cancellations. The attack affected automated operations, rendering them inoperable, including the electronic check-in and baggage system reported so far.
Collins Aerospace, which provides software to airports for check-in and baggage systems, said “they are aware of the cyber attack.”. It has been reported by “select airports,” and they are working on it to resolve the issue as quickly as possible.
“The impact is limited to electronic customer check-in and baggage drop and can be mitigated with manual check-in operations.” company gave statement to BBC
RTX, the company that owns Collins Aerospace, said it is aware of the “cyber-related disruptions.”. Heathrow Airport, Brussels Airport, Berlin Airport, and Dublin Airport have been reported as the most affected by cyber-attack so far.
Many passengers have flooded X (formerly Twitter), expressing dismay over the flight delays and cancellations.
A cyber attack on a key aviation technology provider has caused widespread disruption at several major European airports, including Heathrow, Brussels, and Berlin, with passengers warned to expect delays and cancellations.
This is the scene at Brussels Airport now. pic.twitter.com/e3Q6mNrO1q
— Arwa Ibrahim (@arwaib) September 20, 2025
Massive cyber security attacks in European airports. Arrived 3 hours early at Heathrow and I’m still in line. They’re checking people in with pen and paper. Flight’s already delayed, tons of cancellations. pic.twitter.com/0Ort2XufQF
— New York Shade (@newyorkshade) September 20, 2025
Heathrow and other airport authorities have advised passengers to confirm their flight status before arriving at the airport. More than 300 flights have been delayed so far, while 8 flights have been cancelled.
It is still not confirmed who is behind the cyber attack, but fingers have been pointed towards Russian hackers. LNER, the major UK train operator, has also confirmed a cyber attack leading to a data breach.
Update from NCSC:
Following news of a cyber attack incident impacting Collins Aerospace, an NCSC spokesperson said:
“We are working with Collins Aerospace and affected UK airports, alongside Department for Transport and law enforcement colleagues, to fully understand the impact of an incident.
All organisations are urged to make use of the NCSC’s free guidance, services and tools to help reduce the chances of a cyber attack and bolster their resilience in the face of online threats.”
