Microsoft files legal action against information-stealing malware Lumma Stealer

Core Insights - Microsoft has filed legal action against Lumma Stealer after discovering nearly 400,000 Windows computers infected by the malware globally in the past two months [1][3] - Lumma Stealer is capable of stealing data from various browsers and applications, including cryptocurrency wallets, and can install additional malware [1] - The U.S. Department of Justice has seized five internet domains used by cybercriminals to operate the LummaC2 malware service, with the FBI investigating the case [4] Company Actions - Microsoft's Digital Crimes Unit (DCU) played a crucial role in the takedown, suspension, and blocking of malicious domains that supported Lumma's infrastructure through a court order from the U.S. District Court of the Northern District of Georgia [3] - The company emphasizes the need for layered defenses and industry collaboration to combat the evolving threats posed by cybercrime, as highlighted by the growth and resilience of Lumma Stealer [4]