Cybersecurity Threat - Fake Captcha prompts are being used to distribute fileless Lumma Stealer malware [1] - The Lumma Stealer malware targets and steals cryptocurrency wallet credentials [1]

Malware Distribution - Hackers are using fake Captchas to spread Lumma Stealer malware [1] Cybersecurity Threat - The industry should be aware of the increasing use of deceptive tactics, such as fake Captchas, to distribute malware [1]

Core Points - Microsoft has filed a lawsuit against Lumma Stealer, a widely used information-stealing malware, on May 13 [1] - The malware has infected over 394,000 Windows computers globally between March 16 and May 16 [4] - Microsoft has collaborated with various authorities to disrupt Lumma's operations, including the seizure of approximately 2,300 malicious domains [4] Group 1 - Lumma is commonly used by hundreds of cybercriminals to steal passwords, credit card information, bank accounts, and cryptocurrency wallets [4] - The malware is designed to be easily spread and difficult to detect, often masquerading as trusted brands like Microsoft [5] - Microsoft has partnered with cybersecurity firms and government agencies to combat cybercrime and protect critical infrastructure [5] Group 2 - The U.S. Department of Justice has seized Lumma's central command structure and dismantled underground markets selling tools to other cybercriminals [4] - The malware has been utilized in attacks against various sectors, including manufacturing, telecommunications, logistics, finance, and healthcare [5] - Microsoft’s Digital Crime Unit (DCU) continues to innovate and adapt strategies to ensure the safety of critical infrastructure and online users [5]