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

11/18/2025 6 sources 81% similarity
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Summary

ThreatCluster AI

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, purchase history, and product details, potentially affecting millions of users worldwide. The group has displayed sample data on their dark web leak site and issued a seven-day ultimatum.

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Everest Ransomware Group Allegedly Exposes 343 GB of Sensitive Data in Major Under Armour Breach
Cybersecuritynews Guru Baran November 18, 2025 at 09:20 AM 85% match

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Keywords

ransomware everest under armour data breach news

Threat Analysis

Threat Score 61.8
Recency (30%) 20.0
Coverage (20%) 80.7
Severity (50%) 71.0

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