The ransomware incident affecting SIA Medical Centre in Latvia involves the threat actor rhysida, resulting in disclosure of approximately 20,000 patient records including medical dossiers, clinical notes, and insurance/work-cover files, as well as staff identity and HR documents. The claim also includes theft of plaintext credentials for clinical and government systems and exposure of legal/financial records, impacting Latvia #latvia
Incident Details
- Victim: SIA Medical Centre
- Sector: Healthcare
- Country: LV
- Actor: rhysida
- Source: http://rhysidafohrhyy2aszi7bm32tnjat5xri65fopcxkdfxhi4tidsg7cad.onion/archive.php?company=258
- Discovered: 2026-08-13T17:57:28.008533+00:00
- Published: 2026-08-13T17:56:55.126638+00:00
Information
- SIA Medical Centre was established in 1993 by Dr Martin Sia in Melbourneβs northwest.
- The organisation operates 9 clinics: Box Hill, Burwood, Croydon, Essendon, Footscray, Moonee Ponds, Montrose, Mulgrave, and Berwick.
- Approximately 20,000 patient medical records were exposed, including names, dates of birth, Medicare numbers, clinical notes, insurance files, work-cover files, and full patient dossiers.
- Staff identity documents were disclosed, including passports, driverβs licenses, police checks, and tax file declarations for doctors and employees.
- Plaintext credentials were included, with logins and passwords for clinical systems such as Synapse imaging, PRODA, terminal servers, and doctor accounts.
- HR records were compromised, including signed employment contracts, staff incident reports, and immunisation registers.
- Legal and financial documents were also taken, including subpoenas, complaints, Bupa contracts, bank details, and provider payment forms.
Disclaimer: This post is based on public claims made by the ransomware group "rhysida". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.