Australia: How to find out if you are involved in an unpublicized data breach

Personal details of millions of Australians have been compromised in breaches
lately. In fact, in the last quarter of 2022, Australia suffered more data
breaches
[https://www.bitdefender.com/blog/hotforsecurity/australia-had-the-highest-data-breach-density-in-the-world-in-the-last-quarter-of-2022-what-this-means-for-you/]
than any other country in the world.

In total, 497 data breaches hit Australians in the second half of 2022, mostly
in the health and finance sectors. 40 were large-scale bre