How 'anonymous' was that health department data dump?

In 2016, the federal Department of Health published the MBS data of 2.5 million ‘anonymous’ Australians online.

Anonymous data

It was removed after researchers identified doctors in the data. But the same researchers claimed there was a bigger scandal.

They said if a celebrity, for example, underwent a well-publicised procedure on a ­certain date, and if only one person claimed the relevant MBS item on that date, it must be them.

At this point, you