The federal government is now vowing to overhaul cybersecurity laws after the Optus hack. Fi_Willan 9News LATEST:
The company said it has identified 14,900 valid card numbers that have been exposed.
"If you are concerned or have been affected, you can replace your Medicare card as advised by Services Australia." Meanwhile, a cyber-security expert has warned that a pledge from the apparent hacker all stolen data had been destroyed should not be trusted.
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