On 12 October 2022, Australian health insurer Medibank disclosed disruption to its online services following a ransomware operation impacting its customer-facing services, which were shut down to prevent data loss.

[Update: 20 October. Medibank has subsequently confirmed reports that cybercriminals have gained access to highly sensitive data, which may include personal details such as medical procedures and diagnoses, addresses, Medicare numbers and potentially credit card information..]

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