Microsoft dismantles the Lumma Stealer malware network, a major threat in infostealer malware, with global law enforcement, curbing data breaches worldwide.

Lumma, a Malware-as-a-Service (MaaS) marketed on underground forums since 2022, specializes in stealing passwords, banking credentials, cryptocurrency wallets, and more.

Microsoft has taken down approximately 2,300 domains used to distribute password-stealing Lumma malware to 394,000 Windows PCs. Cybercriminals have used Lumma to hack passwords, credit cards, bank ...

Malware-as-a-Service (MaaS) Hits 390K+ PCs in 3 Months as Microsoft Fights Back Lumma Stealer is software made to secretly steal personal and organizational information from computers.

This time, Microsoft reports that the Lumma info stealer created by the notorious Russian malware developer known as Shamel infected over 394,000 PCs between March 16 and May 16, 2025.

Microsoft and law enforcement have announced a court-authorized takedown of Lumma, a prolific info-stealer malware operation found on more than 394,000 Windows PCs globally, mostly in Brazil ...

Security The Web microsoft malware Global crackdown led by Microsoft shuts down Lumma Stealer malware infecting 394,000 PCs A Russian-based cyber-criminal with hundreds of clients is now jobless ...

A broad coalition of technology partners and law enforcement agencies, spearheaded by Microsoft’s Digital Crimes Unit (DCU), has disrupted the dangerous Lumma Stealer malware-as-a-service (MaaS ...

Microsoft and law enforcement have announced a court-authorized takedown of Lumma, a prolific info-stealer malware operation found on more than 394,000 Windows PCs globally, mostly in Brazil, Europe, ...