Ruamjai

Ruamjai was compromised in a ransomware attack attributed to THEGENTLEMEN in February 2026. The organization, operating in an undisclosed sector in Thailand, was added to the group's data leak site as part of an extortion campaign.

THEGENTLEMEN operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

ruamjaimedical.co.th Ruamjairak Hospital is a modern 144-bed private hospital located in the Sukhumvit area of Bangkok, Thailand . It was established as a comprehensive medical facility with a significant investment and features specialized centers, including a fertility center partnered with the world-leading group GENEA, as well as advanced dental and neuroscience centers . The hospital focuses on providing premium healthcare services to the local community, offering everything from advanced treatments like IVF and MRI brain scans to routine health check-ups and wellness promotions