After a recent vulnerability in government systems was exploited, black market vendors gained access to a large variety of personal Medicare details.
“It follow revelations a Guardian Australia journalist was able to buy their own Medicare details from a darknet trader who is illegally selling the information by “exploiting a vulnerability” in a government system.”
With just the card number, an attacker can easily create a fake card and commit identity fraud. In addition to that, the cards could also be used as identification to buy products or drugs.
Source:thehackingnews.com