An unprotected Elasticsearch instance belonging to Leak Zone, an underground forum for cybercriminals, exposed millions of IP addresses and login timestamps of its users. The database, containing over 22 million records, was accessible to anyone, potentially revealing user identities to security researchers, rival criminals, and law enforcement. The exposure included real-time updates and indications of anonymization tool usage. The cause of the exposure remains unknown but is likely due to human error, such as unsecured configurations. The incident highlights the persistent issue of exposed databases leading to significant data leaks.