Manage My Health said late on Monday that the ransom demand was a matter for police, and it would not be making any comment about a ransom while an investigation was ongoing.
The platform apologised for difficulty and anxiety caused to health providers and patients, and acknowledged it could have communicated better.
“However, our priority was to secure patient data and work on the accuracy of all information before providing it to practices and patients.”
It said it will publish daily updates with all the information it can share.
Health Minister Simeon Brown has announced an urgent review into the breach.
– RNZ