16 July 2025
Changes to the NCSC website
From 23 July, our website will look different. We are combining information from the CERT NZ and NCSC websites to provide an improved experience.
Nau mai haere mai Welcome to the National Cyber Security Centre
Cyber security for all New Zealanders
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The lead operational cyber security agency for New Zealand
Nga korero hou me nga huihuinga Latest news
13 June 2025
Rise in financial losses reported to the NCSC
The NCSC Cyber Security Insights report for Q1 2025 shows a 14.7% quarterly increase in financial loss reported by New Zealanders.
14 May 2025
Research indicates online threats cost New Zealanders $1.6 billion in 2024
More than half the country experienced an online threat and 830,000 experienced some financial loss.
Ngā Aratohu Guides
Explore our guides for managing security challenges.
Critical Controls: Summary
When correctly implemented, these Critical Controls can prevent, detect, or contain the majority of cyber attacks.
Rolls and Responders
Welcome to Rolls and Responders, an open-source tabletop exercise toolkit for cyber security incident response teams.
Protect your organisation against ransomware
Ransomware attacks are becoming increasingly common and sophisticated. This guidance explains how you can stop a ransomware attack in its tracks.
Kua tohua Featured
Cyber Threat Reports
NCSC publishes an annual report of the New Zealand threat landscape including types of incidents we responded to and emerging trends.
Incident response
NCSC provides cyber security incident response services to all New Zealanders.
NCSC Cyber Security Framework
This framework sets out how we think, talk about, and organise cyber security efforts.