A cyber attack has caused chaos at airports across Europe - here's everything we know so far

"A cyber attack that crippled operations at a host of European airports on Friday is continuing to cause disruption, with many flights still delayed or cancelled. Over the weekend, airlines flying out of London Heathrow, Brussels, and Berlin were forced to check passengers in manually following an attack on Collins Aerospace. The affected software, ARINC cMUSE, allows airlines to share check-in desks and boarding gate positions rather than using their own dedicated infrastructure. The UK's National Cyber Security Centre (NCSC) said it is working with the company and affected UK airports, together with the Department for Transport and law enforcement agencies, to fully understand the incident and its effects."

"Brussels Airport said that around half of outgoing flights today are likely to be affected. "The service provider is actively working on the issue and trying to resolve the problem as quickly as possible," it said in a . "At the moment it is still unclear when the issue will be resolved.""

"Meanwhile, Heathrow , "Work continues to resolve and recover from the outage of a Collins Aerospace airline system that impacted check-in. We apologize to those who have faced delays, but by working together with airlines, the vast majority of flights have continued to operate.""

A cyber attack on Collins Aerospace's ARINC cMUSE system disrupted operations at multiple European airports, forcing airlines to check passengers in manually and causing flight delays and cancellations. Affected airports included London Heathrow, Brussels, and Berlin, where shared check-in desks and gate assignments could not be accessed. The UK's National Cyber Security Centre is coordinating with Collins Aerospace, affected UK airports, the Department for Transport, and law enforcement to assess impacts. Brussels Airport estimated around half of outgoing flights could be affected. The service provider and Collins Aerospace are working to resolve the outage, with no clear timeline for full recovery.

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