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

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

First seen 23 Nov 2025, 04:45 UTC •Feeds.FeedburnerCybersecuritynewsCybernewsCyberpressScworld+1 •81% similarity •61.8

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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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