Ruamjai Listed by thegentlemen Ransomware Group

On February 24, 2026, the ransomware group known as thegentlemen added Ruamjairak Hospital to its public leak site, claiming that internal files had been exfiltrated from the 144-bed private medical facility in Bangkok’s Sukhumvit area.

Reported Details of the Incident

Public reporting indicates the hospital’s domain ruamjaimedical.co.th was listed after a ransomware attack. The data exposed consists of internal files; the exact volume and specific categories of patient or employee records remain unconfirmed in available reporting. The hospital itself operates specialized centers for fertility treatment in partnership with GENEA, advanced dental care, neuroscience including MRI brain scans, and routine health check-ups. No official statement from the hospital detailing the breach timeline or containment efforts has been widely published as of this writing.

Why This Matters for You and Your Family

When a hospital’s internal files are stolen, the information inside often includes names, addresses, phone numbers, dates of birth, national ID numbers, medical histories, insurance details, and payment records. Any of these can be used to impersonate you, file fraudulent claims, or open accounts in your name. If you or a member of your family has ever visited Ruamjairak Hospital — even for a simple check-up or promotional wellness package — your personal data may now sit in an attacker’s archive. Medical breaches are especially damaging because health information is permanent and difficult to change, unlike a credit card number.

The Doxxing and Identity-Chain Risks

Stolen hospital records rarely stay isolated. Attackers combine medical data with credentials from earlier breaches to build detailed profiles. A leaked email and password from this incident can unlock accounts on shopping sites, social media, or even your children’s gaming platforms. Once one account falls, it leads to others in a chain that ends in full doxxing: home address published, family members identified, and targeted harassment or fraud. Credential leaks like this one routinely cascade into account takeovers precisely because the same passwords and recovery phone numbers are reused across work, health, and personal life.

Thegentlemen’s Publicly Known Track Record

Public reporting attributes thegentlemen with emerging in late 2024. The group has listed hospitals, manufacturers, and professional service firms in multiple countries. Their typical playbook begins with initial access through phishing or exploited remote desktop credentials, followed by exfiltration of sensitive files before encryption. They then demand ransom and, upon non-payment, publish samples on their leak site to pressure victims. The exact success rate of their extortion attempts is not publicly quantified, but their consistent appearance on ransomware tracking sites shows they maintain operational discipline and regularly follow through on publication deadlines.

What to do

• Run a DoxxScan to map every link between your emails, phone numbers, usernames, and real-world identity so you can see exactly what this claimed breach connects to.
• Rotate the password you used anywhere it was reused — especially on email, banking, and healthcare portals — and switch on 2FA through an authenticator app rather than SMS.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces you learn within hours instead of months.
• Cover the household with DoxxScan family protection that includes dependents and your children’s gaming accounts, which frequently become entry points when credential leaks cascade into doxxing chains.
• Let remediation specialists handle takedown requests across data brokers and exposed profiles while you focus on securing the accounts that matter most to your family.

The reality is that medical data breaches will continue as long as hospitals remain attractive targets. Protecting yourself and your family requires more than hoping the next attack misses you; it demands visibility into where your information already lives and swift action to break the chains attackers rely on. Start by understanding your exposure and maintaining ongoing awareness — DoxxScan by GalaxyWarden delivers exactly that through its continuous monitoring, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that explicitly protects children’s gaming accounts.