You can lose health data de-centrally as well

A little story from Germany:

The German security research group "Zerforschung" (literally breaking
something with research, a made-up word) published an account in German on
August 11, 2022 of how they in just one night session managed to pull over a
million health files from the de-central health provider management system,
"InSuite" from DocCirrus (in German):

https://zerforschung.org/posts/doczirkus/

I will try and summarize the gory details in English here:

One of the group got irritated at their doctor who refused to …

data de health health data