Under Armour — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
18
occurrences
First Seen
November 17, 2025
Last Seen
July 23, 2026

Related Threat Clusters

  • Everest Ransomware Group Breaches Under Armour, Exposing 343 GB of Data

    The Everest ransomware group has claimed responsibility for a significant data breach involving Under Armour, reportedly stealing 343 GB of sensitive internal data. The exposed data includes customer information,…

    8 articles · Updated November 18, 2025
  • Everest Ransomware Group Breaches Under Armour, Exposing 343 GB of Data

    The Everest ransomware group has claimed responsibility for a significant data breach at Under Armour, allegedly stealing 343 GB of sensitive information. This data includes customer details, purchase history, and…

    11 articles · Updated November 18, 2025
  • Nike and Under Armour Targeted by Ransomware Attacks

    Nike and Under Armour are reportedly facing ransomware attacks, with threats of data leaks. A countdown clock is set to expire on Saturday at 6 p.m., indicating when stolen data may be released if demands are not met.

    2 articles · Updated January 25, 2026
  • WorldLeaks Leaks 1.4TB of Nike Data Online

    WorldLeaks has leaked 1.4TB of files allegedly belonging to Nike, marking a significant data breach. This incident reflects a shift in cybercriminal tactics from ransomware encryption to data extortion. Users are…

    2 articles · Updated January 26, 2026
  • Everest Ransomware Group Breaches McDonald's India, Exfiltrates Customer Data

    The Everest ransomware group has claimed responsibility for a cyberattack on McDonald's India, reportedly exfiltrating 861 GB of sensitive customer data. The group announced the breach on their dark web leak site on…

    42 articles · Updated January 20, 2026
  • Under Armour Investigates Data Breach Affecting 72 Million Customers

    Under Armour is investigating a data breach that compromised the email addresses of approximately 72 million customers. The breach was reportedly executed by a cybercriminal who posted the stolen records on a hacker…

    5 articles · Updated January 23, 2026
  • Stadler Rail Rejects $12.3M Ransom Demand from Everest Ransomware Gang

    Swiss rail manufacturer Stadler Rail confirmed a cyberattack by the Everest ransomware gang, which demanded a ransom of CHF 10 million ($12.3 million) after breaching a data exchange platform shared with a supplier. The…

    6 articles · Updated July 22, 2026
  • Everest Ransomware Group Breaches Iberia and Air Miles España

    The Everest ransomware group has claimed responsibility for a significant breach affecting Iberia, Spain's national airline, and Air Miles España, the operator of a travel rewards program. They have stolen 596 GB of…

    3 articles · Updated November 26, 2025
  • Cloudflare Outage Disrupts Major Internet Services

    On November 18, 2025, Cloudflare experienced a significant outage that affected access to numerous major websites, including ChatGPT and X. The disruption was caused by a change to database access controls, which led to…

    39 articles · Updated November 26, 2025

Recent Intelligence Reports

  • Swiss train maker tells ransomware crooks to get off at the next stop — Theregister · July 23, 2026
  • Nike Data Breach Claims Surface as WorldLeaks Leaks 1.4TB of Files Online — Hackread · January 26, 2026
  • Nike and Under Armour's potential ransomware attacks: What to know — Msn · January 25, 2026
  • Nike and Under Armour's Potential Ransomware Attacks: What to Know — Wwd · January 23, 2026
  • Under Armour Looking Into Data Breach Affecting Customers’ Email Addresses — Securityweek · January 23, 2026
  • Under Armour Faces Data Breach — Endurancesportswire · January 23, 2026
  • Under Armour Looking Into Data Breach Affecting Customers' Email Addresses — Usnews · January 23, 2026
  • Under Armour Faces Data Breach — Sgbonline · January 22, 2026

CVSS v3.1 Breakdown