The Essendon-headquartered SIA Medical Centre, a Victorian medical centre, has said it is investigating a cyber security incident, Cyber Daily reported on 18 August 2026. “SIA Medical is aware of a cyber incident involving unauthorised access to a portion of its systems,” an SIA spokesperson told Cyber Daily.

Rhysida claimed the attack, according to Cyber Daily. (source: Cyber Daily)

Correction (31 Oct 2026): removed material from the login-only part of Cyber Daily's report; the card now carries only what the readable part states. (source: Cyber Daily)

Correction (05 Nov 2026): removed the ransomware group's claim from the title and a second mention of the hackers' claim from the summary; the card gives it only in one credited sentence. (source: Cyber Daily)