Air Passenger Boarding Pass Data Breach Investigation
Data Breach at Dublin and Cork Airports Affects Passenger Information
Table of Contents
Updated October 25, 2025
Incident Overview
Airport operator daa, responsible for Dublin and Cork airports, is investigating a data breach stemming from a compromise of its third-party supplier, Collins Aerospace. The incident involves passenger boarding pass data for departures from Dublin Airport between august 1, 2024, and August 31, 2025.
daa received initial notification of potential exposure on September 19, 2024, from Collins Aerospace regarding a compromise of its IT systems. Subsequently, daa was informed on September 20, 2024, that a file containing the passenger data may have been exposed online by a cybercriminal group.
Scope of the Breach
The compromised data specifically relates to boarding passes.At this time, daa confirms there is no evidence that its own systems were directly impacted by the breach. The investigation is ongoing, and daa is collaborating wiht the Irish Aviation Authority (IAA), the Data Protection Commission (DPC), the National Cyber Security Center (NCSC), and affected airline partners.
Regulatory Response and Passenger Guidance
The Data Protection Commission (DPC) has acknowledged receiving a breach notification and is actively engaging with daa to assess the situation.according to Deputy commissioner Graham Doyle, the DPC is working with daa on the issue.
Passengers who travelled through Dublin Airport in August 2024 are advised to remain vigilant for any unusual activity related to their bookings, but are not required to take immediate action. This includes monitoring financial accounts and being cautious of phishing attempts.
