Iberia Airlines Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: Iberia Airlines · Actor: Everest · Source: DataBreach.com / ObscureIQ intelligence
Attack: Ransomware via SSO/identity provider compromise
Timeline: Breach (Nov, 2025) · Reported (Dec, 2025) · Leak (12/12/25)
Exposure: 21.3M+ records · Email, Phone Number, Name
Status: Confirmed · Risk: Low (Phishing / SIM swap)
Summary
Overview In late November 2025 the Everest ransomware group claimed responsibility for a data breach targeting Iberia Airlines originating from a vulnerability in the Collins Aerospace vMUSE passenger processing system. On December 9 2025 , following the expiration of their ransom deadline Everest announced the full publication of the stolen data. The group stated: “Because the company failed to respond by the deadline we posted all the data. Leak Details & Dissemination, The threat actors have employed aggressive tactics to ensure the data remains permanently accessible:
Full Publication:, Everest released download links for the complete dataset via file-hosting service Gofile. This includes a specific distribution of “only csv files” (likely containing the structured passenger manifests and loyalty databases). Widespread Mirroring: To counter legal takedown efforts, the group explicitly stated that “all the data was duplicated across various hacker forums and leak database sites.” They noted that they have re-uploaded files in obscure locations (“places the legal department is unlikely to find”) to make total deletion impossible. File Evidence: Screenshots provided by the group show a specific archive named Iberia Air.rar with a file size of 324.6 GB , confirming a massive exfiltration of data.
Compromised Data (Updated), With the release of the “CSV only” files, the exposure of structured database information is confirmed.
Customer PII: Full names emails, and phone numbers (confirmed).
Flight Manifests: Passenger lists seating assignments and travel dates (linked to vMUSE architecture). Loyalty Data: Iberia Plus numbers and associated tier status. Internal Data:, Technical documents and Collins Aerospace system logs.
About Iberia Airlines
Iberia Airlines is the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.
If you have interacted with Iberia Airlines in any capacity, your data may be included in this breach.
Threat Actor: Everest
This breach has been attributed to Everest. The group is known for data theft campaigns targeting organizations through various intrusion methods.
- SSO/identity provider compromise
Breach Exploitation Status
Low
Status
Unknown
Possible
Unknown
Unknown
Unknown
1–3 years
Email addresses and usernames persist but credentials may rotate. Phishing risk remains elevated during this window.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 21.3M+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries low risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing Iberia Airlines accounts or services
- SIM-swap attempts where phone numbers are present
- Data broker enrichment and resale
Recommendations for Impacted Individuals
If you believe your information may be included:
Non-clients may request a breach impact review.
Iberia Airlines account updates
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Nov, 2025, Iberia Airlines experienced a data breach that resulted in the exposure of approximately 21.3M+ records containing personal information.
The exposed data includes Email, Phone Number, Name.
Approximately 21.3M+ records were affected based on current breach intelligence.
Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.
Data circulation has been reported across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with Iberia Airlines, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.
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Corporate Accountability
Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.
Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.
ObscureIQ Advisory
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- A public-facing individual
- A high-profile executive
- A customer of Iberia Airlines
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.