A ransomware gang is threatening to release Medibank Private’s customer data within 24 hours.

Medibank has previously confirmed the hackers had access to the personal details of almost 10 million people, including international students and AHM customers.

The health insurance provider has rejected ransom demands.

Tech expert Trevor Long told Ben Fordham it’s believed the hackers are part of a Russian group.

“If we pay ransom it will get even worse, so it’s an important thing Medibank doesn’t pay any ransom.”

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