Under Armour Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: Under Armour · Actor: Everest · Source: DataBreach.com / ObscureIQ intelligence
Attack: Ransomware via Network intrusion / ransomware deployment
Timeline: Breach (Nov, 2025) · Reported (Jan, 2026) · Leak (Jan, 2026)
Exposure: 75.0M+ records · Dates of birth, Email, Genders, Geographic locations, Name, Names, Purchases
Status: Confirmed · Risk: Moderate (Credential reuse / phishing)
Summary
Overview In November 2025 the Everest ransomware group claimed responsibility for a significant data breach targeting Under Armour. The group alleges it exfiltrated over 343 GB of sensitive internal and customer data. While Under Armour has confirmed it is investigating the incident the company has not yet officially verified the full scope of the compromise. The threat actors utilized “double extortion” tactics threatening to leak the stolen data if a ransom was not paid. Following the expiration of a seven-day deadline the group published download links to the alleged data on a dark web hacker forum. Compromised Data Internal analysis of the leaked data set indicates the presence of approximately 75 000 000 unique email addresses ., The compromised data reportedly includes:
Customer PII: Email addresses phone numbers and physical locations. Transaction Data: Purchase histories and preferences. Employee Data: Contact details personnel files and potentially passport information (unverified). Corporate Data: Internal documents product SKUs, and business intelligence.
Data likely NOT affected:
Payment card information (processed separately). Government identifiers (e.g. Social Security Numbers).
Current Status & Legal Context As of early December 2025 Under Armour has not admitted to the full scale of the breach. However a class-action lawsuit, has reportedly been filed regarding the alleged failure to protect consumer data. The incident remains classified as “Unverified” pending an official report from the victim organization.
About Under Armour
Under Armour 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 Under Armour 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.
- Network intrusion / ransomware deployment
Breach Exploitation Status
Moderate
Status
Detected
Unknown
Possible
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 75.0M+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries moderate risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing Under Armour accounts or services
- Age/DOB used to bypass identity verification questions
- 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.
Under Armour account updates
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Nov, 2025, Under Armour experienced a data breach that resulted in the exposure of approximately 75.0M+ records containing personal information.
The exposed data includes Dates of birth, Email, Genders, Geographic locations, Name, Names, Purchases.
Approximately 75.0M+ 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 detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with Under Armour, 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
We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.
- A public-facing individual
- A high-profile executive
- A customer of Under Armour
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.