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Cloudflare, in collaboration with Microsoft and international law enforcement, has dismantled the infrastructure of LummaC2, an information-stealing malware service. This initiative led to the seizure and blocking of malicious domains and disrupted digital marketplaces used by criminals. Lumma Stealer operates as a subscription service providing threat actors access to a central panel for customized malware builds and stolen data retrieval. The stolen information includes credentials, cryptocurrency wallets, and sensitive data, posing risks of identity theft and financial fraud. Lumma Stealer was first identified on Russian-language crime forums in early 2023 and has since migrated to Telegram for distribution. Its proliferation is facilitated by social engineering campaigns, including deceptive pop-ups and bundled malware in cracked software. Cloudflare implemented measures to block access to Lumma's command and control servers and collaborated with various authorities to prevent the criminals from regaining control. Mitigation strategies for users include restricting unknown scripts, limiting password storage in browsers, and using reputable endpoint protection tools. The operation has significantly hindered Lumma's operations and aims to undermine the infostealer-as-a-service model contributing to cybercrime.