Australians don't need to replace their Medicare cards as authorities say there's no evidence yet of stolen information in the hack of electronic prescriptions provider MediSecure.
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MediSecure on Thursday confirmed it identified a cyber security breach involving the personal and health information of individuals.
National Cyber Security Coordinator Lieutenant-General Michelle McGuinness on Friday said no current ePrescriptions had been accessed.
"We have not seen evidence so far to suggest that anyone needs to replace their Medicare card," she said.
"If our investigation turns up any evidence to suggest Australians' identities are at risk and they need to replace their documents, we will let them know."
Lt-Gen McGuinness said she understood people were anxious about their personal information being affected, but that discovery work often took time.
"I want to assure everyone that we are working as fast as we can to complete our assessment and when we have further information to share about what has been impacted, we will share this with you - along with what affected people may need to do to protect themselves," she said.
The Australian Federal Police alongside other government agencies are investigating the large-scale attack.
Optus suffered a massive data breach in 2022 that affected 10 million Australians and resulted in the driver's licences, Medicare and passport numbers of 10,000 customers being stolen and leaked online.
In response to the hack, the government introduced tough penalties for companies that failed to protect the information of their customers.
Australian Associated Press
