Medibank data hack massive trove of information released online 20221201 p5ymv6.html – Breaking News & Latest Updates 2026
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This was published 3 years ago

Massive trove of Medibank data released online

Trevor Long
Trevor Long

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The worst-case scenario for Medibank customers has come to fruition with those behind the cyber attack releasing what appears to be a vast amount of the data they obtained.

In what they have claimed to be their final update, the hacker updated their dark web forum this morning with a simple message.

"Happy Cyber Security Day!!!," they said.

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The Medibank hackers have released more data online. Steven Siewert

"Added folder full. Case closed."

November 30 is "International Cyber Security Day" and the date chosen by the hacker (in their local time) to release this information.

The reference to "added folder full" relates to the folder named "full", where the new data has been placed.

Inside that folder are six files, which at 6.4 gigabytes don't appear to be as much as Medibank believed was stolen from its system.

But it is vastly more than had been released before today.

Previous releases of data have been less than a megabyte; the new folder is 6400 megabytes.

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9News believes the files contain the data of tens of thousands of Australians, possibly many more.

While the information has been released only on the dark web, previous releases from this hacker have quickly made their way onto open web hacker forums, so the same could occur here.

READ MORE: Man fighting for life after being attacked by stranger at beach

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Medibank's response for customers remains comprehensive, with health and wellbeing support lines, mental health support and specialised teams to support any customer who receives scams or threats.

All Medibank customers are advised to remain hyper-vigilant to scams via SMS, phone and email.

They're urged to not pay any ransom or engage with any scammer claiming to have their information. Instead, they should be reported to Scamwatch.gov.au

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