A Norwegian healthcare provider is investigating an unauthorized intrusion into its IT systems which may have breached the personal data of over half the country’s population.

Helse Sør-Øst RHF (Health South-East RHF) delivers healthcare for the most populous part of the Scandinavian nation, including the capital, via 15 health trusts and a network of 19 pharmacies. This area is said to cover nearly three million of a population of a little over five million people.

The country’s healthcare IT security center, HelseCert, notified IT delivery partner Sykehuspartner HF (Hospital Partner HF) of “abnormal activity” at the beginning of the month, Health South East said in a statement last week.

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