On 5 January 2026, the National Cyber Security Centre (NCSC) confirmed a data breach affecting users of the ManageMyHealth (MMH) patient portal. MMH is a privately operated service used by some general practices to share health information with patients. The breach exposed personal data of some patients. The NCSC is coordinating with Health NZ and other government agencies to address the incident. Affected users are encouraged to check the MMH website for updates and to follow guidance on what to do if they have been impacted. The NCSC also offers general advice on staying safe after a breach. A guide titled ‘Keeping safe after a data breach’ is available on the NCSC website for additional steps.
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https://www.ncsc.govt.nz/news/managemyhealth-mmh-cyber-security-breach-involving-patient-information/
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