Photo: Supplied
The personal health portal ManageMyHealth has identified a cyber security breach.
The service connects patients with clinicians and allows people to access their medical records.
In a statement on its website, Manage My Health chief executive chief executive Vino Ramayah said the breach involved "unauthorised access to our systems".
Ramayah said the matter was under active investigation and containment steps had been taken.
"We are working with our partners and relevant authorities and will provide further updates through formal statements as information is confirmed."
Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.