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lumma malware
About this tag
Lumma malware, also known as LummaC2, is a rapidly spreading information-stealing threat that has infected hundreds of thousands of Windows PCs worldwide. Microsoft security researchers detected the malware on over 394,000 systems between mid-March and mid-May 2025, highlighting its significant impact on both individual users and enterprises. The malware targets sensitive data, exposing weaknesses in browsing habits and security protocols. Recent global law enforcement actions, including a takedown by Microsoft and partner agencies, aim to disrupt the Lumma network. Discussions on WindowsForum cover the scope of the threat, infection vectors, and defensive strategies for Windows users.
Few threats in today’s digital landscape have demonstrated such rapid, widespread, and evolving danger as the Lumma information-stealing malware currently impacting hundreds of thousands of Windows PCs. In just two months, Microsoft’s security researchers detected Lumma—also known as LummaC2—on...
The global scale and sophistication of cybercrime reached new heights with the recent crackdown on the notorious Lumma malware network, as revealed by Microsoft in partnership with law enforcement agencies worldwide. For many Windows users and enterprises, this revelation isn’t just another...
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