- DublinAirport has confirmed a significant databreach affecting potentially all 3.8 million passengers who traveled through the Irish capital's terminals during August 2025, following a cyberattack on aviation technology supplier CollinsAerospace. Welcome to this week's DataBreaches Digest, a catalogue of links concerning DataBreaches and Cyber Security that were published on the Internet during the period between 27th October and 2nd November 2025. In August 2025, Ireland’s major airport suffered a significant databreach impacting over 3.8 million passengers.DublinAirport’s Operator, the DAA, first learned of the security breach on September 18 and notified supervisory authorities within 24 hours. Find out if your personal information was compromised in databreaches. Search your email on DataBreach.com to see where your data was leaked and learn how to protect yourself. The CollinsAerospacedatabreach includes approximately one and a half million passenger records with flight itineraries, names, internal processing metadata, timestamps, and related travel details handled through airport systems during the period affected by the September attack. The ransomware attack, which began last Friday, targeted CollinsAerospace check-in systems used by airports across Europe. Major hubs in Brussels, Berlin, Dublin, and London Heathrow experienced severe delays, with airlines forced to revert to manual check-ins. * Date range: The compromised data covers passengers who travelled through DublinAirport between August 1st and August 31st. * Scale: Approximately 3.8 million passengers (specifically 3,784,759) travelled through DublinAirport during August, meaning a large number... . DublinAirport set to welcome 460,000 passengers this bank holiday weekend. DublinAirport gets green light for new Aircraft Observation Facility. DublinAirport Authority operates Ireland’s busiest airport, which serves more than 35 million passengers every year and connects to over 150 destinations across 40 airlines. According to Everest’s post on its leak site, the stolen data includes around 1,533,900 personal records. ‼The plot thickens: CollinsAerospace was targeted by two ransomware gangs simultaneously, unaware of each other. After Everest exfiltrated data from an FTP server, another ransomware operator targeted the MUSE system and deployed ransomware. ...infrastructure.DublinAirportdatabreach (October2025): The Collins attack exposed 3.8 million passenger records, proving that infrastructure failures don't just cause operational disruption—they create databreach. THE COUNTY’S main airport has issued an urgent warning to all passengers who travelled during the peak season over a databreach. DublinAirport operator daa has confirmed that a breach of passenger data occurred affecting the entire month of August. The DublinAirportdatabreach serves as a stark warning. The travel industry must prioritize cybersecurity and invest in robust security measures to protect passenger data. Failure to do so will not only erode trust but also expose millions of travellers to significant risk.