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• 911 S5 botnet, operated by YunHe Wang, compromised 19 million devices globally and facilitated a wide range of criminal activities.
• Wang profited approximately $99 million from selling access to hijacked IP addresses, using the money to purchase luxury items and properties across multiple countries.
• The takedown of 911 S5 involved a coordinated effort between the U.S., Singapore, Thailand, and Germany, resulting in the disruption of 23 domains and over 70 servers.
• The Department of the Treasury's Office of Foreign Assets Control (OFAC) imposed sanctions on Wang, his co-conspirator, and associated entities for their involvement in the botnet.
• The case underscores the critical role of law enforcement, industry collaboration, and international partnerships in combating sophisticated cyber threats and ensuring global cybersecurity.
• The dismantling of 911 S5 serves as a warning to cybercriminals and emphasizes the consequences of engaging in illegal activities that exploit vulnerabilities in digital systems.