ManageMyHealth - New Zealand Listed by kazu Ransomware Group

On December 30, 2025, New Zealand healthcare platform ManageMyHealth appeared on the leak site of the kazu ransomware group. The company, which provides patients with online access to medical records, test results, prescriptions, and appointment scheduling, is claimed to have had internal files exfiltrated during a ransomware attack. While the exact number of affected individuals remains unknown, anyone who has used the service to store or view personal health information could have their data at risk.

What's Publicly Reported from Reporting

Public reporting indicates that kazu listed ManageMyHealth on its data leak portal on December 30, 2025. The exposed material consists of internal files exfiltrated during a ransomware incident. ManageMyHealth has not yet issued a public statement confirming the breach or detailing the precise volume or sensitivity of the stolen data. Available reporting describes the incident as a classic ransomware operation involving both encryption and data theft for extortion purposes.

Why This Matters for You and Your Family

Health records are among the most sensitive types of personal information. If your ManageMyHealth account contains test results, prescription details, medical history, or communications with doctors, that information could now be in the hands of criminals. For you and your family this means potential exposure of conditions, treatments, addresses, phone numbers, and dates of birth. Such details can be used for identity theft, insurance fraud, or targeted scams that feel deeply personal because attackers know real medical facts about you.

Medical data rarely loses its value to criminals. Unlike a credit card that can be cancelled, your health history stays relevant for years. Families with children who have used the platform for vaccination records or specialist referrals face the same risk — one breach can affect every household member whose information was stored under a shared login or address.

The Doxxing and Identity-Chain Implications

Health data rarely exists in isolation. A single leaked file can link your email address, phone number, physical address, and family members’ names. Attackers then chain this information with credentials from other breaches to build a complete profile. Public reporting shows these chains frequently lead to doxxing, where personal details are published on forums or used to hijack accounts. Gaming accounts belonging to you or your children are especially vulnerable because kids often reuse passwords or email addresses tied to family health logins. One compromised credential can cascade into full account takeovers across email, social media, and gaming platforms.

Kazu Ransomware Group’s Track Record

Public reporting attributes the attack to the kazu ransomware group. The group emerged in 2024 and has targeted organizations across multiple countries with a double-extortion playbook: they encrypt victim systems and simultaneously exfiltrate data, then demand payment to prevent publication. Notable prior victims include healthcare providers and mid-sized service companies. Their typical approach involves initial access through compromised credentials or remote desktop vulnerabilities, followed by rapid exfiltration of internal documents before deploying ransomware. They maintain a leak site where samples of stolen data are posted if demands are not met.

What to do

• Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by specialists.
• Rotate any password you used for ManageMyHealth wherever it has been reused, and immediately enable two-factor authentication using an authenticator app rather than SMS.
• Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught in hours, not months.
• Cover the household — DoxxScan family coverage extends to dependents and children’s gaming accounts that often chain back to the same addresses and credentials.
• Let remediation specialists handle takedown requests for any exposed personal records appearing on data broker sites or underground forums.

The ManageMyHealth incident demonstrates how quickly health data can move from a convenient patient portal to a criminal bargaining chip. Taking concrete steps now limits the damage and reduces the chance that this claimed breach becomes the first link in a longer chain of identity abuse. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, including protection for your family’s gaming accounts that are frequently targeted once credential leaks occur.