The rhysida ransomware group listed SIA Medical Centre on its data leak site on 2026-08-13. Country: AU Sector: Healthcare Domains named: siamed.com.au, berwick.we Claim as published on the leak site: SIA Medical Centre SIA Medical was established in 1993 and was founded by Dr Martin Sia in Melbourne's northwest. 9 clinics - Box Hill, Burwood, Croydon, Essendon, Footscray, Moonee Ponds, Montrose, Mulgrave and Berwick.We are pleased to present:~20,000 patient medical records - names, dates of birth, Medicare numbers, clinical notes, insurance and work-cover files, full patient dossiersStaff identity documents - passports, driver's licenses, police checks, tax file declarations of doctors and employeesPlaintext credentials - logins and passwords for clinical systems (Synapse imaging, PRODA, terminal server, doctor accounts)HR records - signed employment contracts, staff incident reports, immunisation registersLegal & financial - subpoenas, complaints, Bupa contracts, bank details (BSB/ABN), provider payment forms More