No, just a mutual aid request from an agency recognized under law enforcement treaty. There are many agreements for mutual recognition and execution of legal process across national boundaries (normally added as part of trade treaty negotiations but sometimes in things like extradition treaties). Lots of FBI raids outside the US are conducted this way - local police do the raid and have FBI 'observe' them in action. In this case, an EU police force and a 5-Eyes nation like Australia will be zero-friction recipient of assistance.
Real names AND the instant account lock with no hope of reversal if your name failed the opaque real name check. I lost access to a gmail account and everything associated with it because g+ didn't like my name. Account totally locked. Gone. Forever.
"We’re not naming the affected organizations to limit the risk of exposing patient data."
However, a google inurl:dicom search sure shows up the affected organizations on the first page (and plenty pages after that).
And the sites are still fully open. Absolutely zero hacking required.
A lot of organizations had better get to work fast on this.
(edit: no images were viewed in the making of this post)