CPR is the national register of all people (Central Person Register).
CPR is the administrator. There is more information in the linked press release from the ministry:
https://ufm.dk/aktuelt/pressemeddelelser/2026/oktober/omfatt...
This is a huge headline story in Denmark today and I choose to link danish content as they are the primary source.
The only current english language sources are paywalled:
https://www.thelocal.dk/20261005/hackers-get-personal-info-o...
https://www.bloomberg.com/news/articles/2026-10-05/denmark-d...
Non-paywalled but major danish news outlet (National Brodcaster):
https://www.dr.dk/nyheder/indland/live-uvedkommende-har-haft...
Will they be fined? (Probably not)
Will Danes be compensated for the hassle, this causes them? (Probably not)
Will Danes be hassled with GDPR-compliance in every business, school etc. even though the state can't keep records safe? (Probably yes)
Another non-paywalled English article from a Danish source: https://cphpost.dk/2026-10-05/life-in-denmark/cpr-data-breac...