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Dublin Airport

Claimed by Everest · listed 9 months ago

8m
Age
since listed · data leaked

Status timeline

  1. ListedOct 26, 2025
  2. Data leakeddate unknown

At a glance

Group
Everest
Status
Data leaked
Country
Ireland
Sector
Transportation/Logistics
Listed on leak site
Oct 26, 2025

About the victim

AI dossier — public-source company profile

Dublin Airport is the main international airport serving Ireland, operated by daa (Dublin Airport Authority). It serves tens of millions of passengers annually across two terminals and offers a broad range of services including parking, fast-track security, lounges, and retail. It is one of Europe's significant regional hub airports and critical national infrastructure.

Industry
Airport Operations & Air Transportation Infrastructure
Address
Dublin Airport, Co. Dublin, Ireland

Attack summary

Severity: high — Dublin Airport is critical national infrastructure handling millions of passengers; a confirmed data publication by a ransomware group implies exfiltration of potentially sensitive operational, employee, or passenger data. Even without a detailed data inventory, exposure of data from a major transport hub warrants high severity.

The Everest ransomware group has listed Dublin Airport under a 'data_published' disclosure status, claiming to have exfiltrated data from the organisation. The leak post itself contains minimal detail, but the disclosed status indicates data has been released or made available.

high

Data the group says was taken

AI dossier — extracted from the leak post
  • Unspecified exfiltrated organisational data

Original description

AI-summarised, not from the leak post

Dublin Airport, located in Collinstown, Fingal, Ireland, is an international airport serving Dublin, the capital city of Ireland. It is operated by DAA (Dublin Airport Authority). The airport is the 12th busiest in Europe, offering flights to over 180 destinations by more than 40 airlines. It boasts two terminals, numerous shops and eateries, and various transport options including taxis, buses, and car rentals.

The leak post

captured from the group's site
© 2026, All rights reserved
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Sources

Source

Indexed 9 months ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About Everest

Everest is a financially-motivated ransomware group that emerged in September 2021, operating with a focus on profit-driven extortion campaigns against organizations primarily in the United States and Europe. The group's country of origin and specific affiliations remain undocumented in public threat intelligence reporting, though their operational patterns suggest they likely operate as an independent entity rather than a formal ransomware-as-a-service model. Limited public documentation exists regarding Everest's specific attack methodologies, initial access vectors, or technical capabilities, though their victim profile indicates they employ standard ransomware tactics targeting a diverse range of sectors including healthcare, technology, business services, and manufacturing organizations. Since their emergence, Everest has claimed responsibility for attacks against 339 victims across multiple countries, with the United States, United Kingdom, Italy, Germany, and Spain representing their primary geographic targets, though no specific high-profile incidents or major ransoms have been publicly documented by law enforcement or major security firms. As of current reporting, Everest appears to remain an active threat actor, though the limited public intelligence available suggests they operate as a lower-tier ransomware group compared to more prominent and well-documented criminal organizations. The group has been linked to 369 public disclosures across our corpus. First observed on a leak site on September 9, 2021; most recent post May 29, 2026. The operation is currently active.

Timeline of this disclosure

  • October 26, 2025Dublin Airport listed by Evereston the group's public leak site

Other recent disclosures by Everest

Everest has been linked to 369 public victims on Darkfield. A sample of the most recent:

See the full Everest dossier →

Sector and geography

This disclosure adds to ransomware activity in the Transportation/Logistics sector, which has 1,081 disclosures indexed across all operators we track. Geographically, Dublin Airport is reported in Ireland, a country with 43 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Dublin Airport appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

  • Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
  • Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
  • Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
  • Report the incident to your national CERT, NCSC-IE (Ireland), as required for your jurisdiction.
  • Monitor for the data appearing on Everest's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.