5 January 2026
We’re aware of a data breach affecting some users of the ManageMyHealth (MMH) service. ManageMyHealth is a privately operated patient portal used by some general practices to share health information with their patients.
The NCSC is working with Health NZ and other government agencies in response to this incident.
For details and updates about this specific incident please visit ManageMyHealth directly:
https://managemyhealth.co.nz(external link) External Link
For more general information about what to do if you’re affected by a data breach, read our guidance: