Was Iberia hit by ransomware?

Iberia was listed by the Everest ransomware operation (Spain), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the Everest ransomware group?

Everest is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the Iberia breach?

Everest published data attributed to Iberia. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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Iberia (Iberia Líneas Aéreas de España)

listed as Iberia · Claimed by Everest · listed 8 months ago

Age

since listed · data leaked

Status timeline

ListedNov 25, 2025
Data leakeddate unknown

At a glance

Group: Everest
Status: Data leaked
Country: Spain
Sector: Transportation/Logistics
Listed on leak site: Nov 25, 2025

About the victim

AI dossier — public-source company profile

Iberia is Spain's flag carrier airline and a founding member of the International Airlines Group (IAG). The airline operates scheduled passenger and cargo services across Europe, the Americas, Africa, and the Middle East, with its main hub at Adolfo Suárez Madrid–Barajas Airport. It is one of the largest airlines in Europe by passenger volume.

Industry: Commercial Aviation & Air Transport
Address: Calle Martínez Villergas, 49, 28027 Madrid, Spain
Employees: 10000+
Founded: 1927

Attack summary

Severity: high — Iberia is a major national flag carrier with a large employee and passenger base, making any confirmed data exfiltration from a critical transportation infrastructure operator significant; however the lack of detail on data type or volume prevents a critical rating.

The Everest ransomware group has listed Iberia as a victim with a 'data_published' status, claiming to have exfiltrated data from the company. The leak post is highly truncated and provides no specific detail on the nature or volume of the data allegedly stolen.

high

Original description

AI-summarised, not from the leak post

Iberia, officially known as Iberia Líneas Aéreas de España and owned by International Airlines Group, is the flag carrier airline of Spain. The company was founded in 1927 and its headquarters are located in Madrid, Spain. It operates an international network of services from its main base of Madrid-Barajas Airport. Iberia is a member of the Oneworld airline alliance.

The leak post

captured from the group's site

© 2026, All rights reserved
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Sources

Leak posthttp://ransomocmou6mnbquqz44ewosbkjk3o5qjsl3orawojexfook2j7esad.onion/news/Iberia/

Source

Indexed 8 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

November 25, 2025Iberia 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, Iberia is reported in Spain, a country with 351 ransomware disclosures in our corpus.

If your organisation is affected

A listing by Everest means Iberia 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, INCIBE-CERT (Spain), 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.