[Korea's Personal Data Protection Commission Launches Formal Investigation into Anthropic] According to Yonhap News Agency, South Korea's Personal Data Protection Commission announced on November 10 that it has completed its preliminary review and launched a formal investigation into the leak of personal information related to Anthropic's generative AI service, Claude. Anthropic had previously reported to the commission on December 31 that information on approximately 100 South Korean company accounts had been leaked. The incident was reportedly caused by an external security company gaining unauthorized access to Anthropic's internal systems. Anthropic has notified some customers that business contact information, including account and organization identification numbers, names, and email addresses, for their Claude enterprise accounts may have been exposed.