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ZenTech Ransomware Attack Disrupts Coronial Investigations in NZ

ZenTech Ransomware Attack Disrupts Coronial Investigations in NZ

First seen 27 Oct 2026, 02:13 UTC • •

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ThreatCluster AI
ThreatCluster •October 27, 2026 at 07:12 UTC
  • •ZenTech's ransomware attack has stalled coronial investigations in New Zealand.
  • •The ZaWoo group claimed responsibility and leaked sensitive data on the dark web.
  • •Families are facing significant delays in receiving coronial findings due to the breach.

A ransomware attack on ZenTech, a Dunedin laboratory company, has delayed coronial investigations in New Zealand. The Ministry of Justice confirmed that sensitive coronial information was compromised, affecting cases primarily from 2016 to 2022. Families are experiencing significant delays, with one family waiting nine months for findings related to their loved one's death. The ZaWoo group claimed responsibility for the attack, demanding a bitcoin ransom and releasing personal data on the dark web. The Ministry is investigating how ZenTech came to hold this sensitive data, as there was no contract between ZenTech and the Ministry. ZenTech stated that it took immediate steps to secure its systems following the incident. The High Court has issued an injunction to prevent the misuse of the compromised data. This incident follows a similar ransomware attack in December 2022 that affected other coronial files in New Zealand.

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Timeline

2026-08-31
ZaWoo claims responsibility for ZenTech attack
The ZaWoo group posted compromised personal data on the dark web, demanding a bitcoin ransom.
B2Bnews.Co.Nz
2026-10-26
Ministry of Justice confirms data breach
The Ministry confirmed that sensitive coronial information was compromised in the ZenTech attack, affecting cases from 2016 to 2022.
B2Bnews.Co.Nz
2026-10-27
ZenTech issues statement on cyber incident
ZenTech acknowledged a cyber-security incident and stated that a thorough investigation is underway with cyber experts.
Odt.Co.Nz

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Common questions

What data was compromised?
Sensitive coronial information from cases primarily between 2016 and 2022 was compromised.
How are families affected?
Families are experiencing significant delays in receiving coronial findings, with some waiting over nine months.
What actions is ZenTech taking?
ZenTech has initiated a thorough investigation with cyber experts and taken steps to secure its systems.