About our data

Reporting quarters are based on the calendar year, 1 January to 31 December.

We receive reports of incidents from both individuals and organisations. They choose how much or how little they feel comfortable providing, often about very sensitive incidents. We will not share specific details about an incident, without the reporting party's consent.

We aren't always able to verify the information we receive, though we try to, particularly when dealing with significant cyber security incidents.

From 1 July 2020, we’ve made some changes to the way data is collected and structured. These changes have been made to improve the level of detail and reporting produced. It also allows for other data sources to be introduced. The way we collect and use the information provided to us is set out in our privacy and information statement.

In this section

  • 2021 Report Summary

    The CERT NZ 2021 summary gives an overview of what we’ve seen and done in 2021. It includes key figures about reports, incident types, financial loss,…

  • Quarter Four Report 2021

    CERT NZ’s Quarter Four (Q4) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 October – 31 Decembe…

  • Quarter Three Report 2021

    CERT NZ’s Quarter Three (Q3) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 July– 30 September…

  • Quarter Two Report 2021

    CERT NZ’s Quarter Two (Q2) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 April – 30 June 2021.…

  • Quarter One Report 2021

    CERT NZ’s Quarter One (Q1) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 January – 31 March 20…

  • 2020 Report Summary

    The CERT NZ 2020 summary gives an overview of what we’ve seen and done in 2020. It includes key figures about reports, incident types, financial loss,…

  • Quarter Four Report 2020

    CERT NZ’s Quarter Four (Q4) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 October – 31 Decembe…

  • Quarter Three Report 2020

    CERT NZ’s Quarter Three (Q3) Report provides an overview of reports about cyber security incidents impacting New Zealanders from 1 July – 30 September…

  • Quarter One and Two Report 2020

    CERT NZ’s Quarter One (Q1) and Quarter Two (Q2) Report provides an overview of the cyber security incidents reported by New Zealanders from 1 January…

  • 2020 half year summary

    The CERT NZ 2020 half year summary gives an overview of what we’ve seen and done from 1 January – 30 June 2020. It includes key figures about reports,…

  • 2019 Report Summary

    The CERT NZ 2019 summary gives an overview of what we’ve seen and done in 2019. It includes key figures about reports, incident types, financial loss,…

  • Quarter Four Report 2019

    CERT NZ’s Quarter Four (Q4) Report provides an overview of the cyber security incidents reported by New Zealanders, from 1 October—31 December 2019.…

  • Quarter Three Report 2019

    CERT NZ’s Quarter Three Report provides an overview of the cyber security incidents reported by New Zealanders, from 1 July—30 September 2019.

  • Quarter Two Report 2019

    CERT NZ’s Quarter Two Report provides an overview of the cyber security incidents reported from 1 April—30 June 2019. It also offers advice on how to…

  • Quarter One Report 2019

    CERT NZ’s Quarter One Report provides an overview of the cyber security incidents reported from 1 January—31 March 2019. It also offers advice on how…

  • 2018 Report Summary

    The CERT NZ 2018 summary gives an overview of what we’ve seen and done in 2018. It includes key figures about reports, incident types, financial loss,…

  • Quarter Four Report 2018

    CERT NZ’s quarter four report provides an overview of the cyber security events reported between 1 October and 31 December 2018. It offers insights on…

  • Quarter Three Report 2018

    CERT NZ’s Quarter Three Report provides an overview of the cyber security events reported between 1 July and 30 September 2018. It also gives advice o…

  • Quarter Two Report 2018

    This quarter, CERT NZ received the highest number of reports yet. Between 1 April and 30 June, over 700 cyber security incidents were reported to us.

  • Quarter One Report 2018

    CERT NZ’s Quarter One Report 2018 provides an overview of the cyber security incidents reported this quarter. Age data has also been included for the…

  • Quarter Four Report 2017

    CERT NZ’s fourth quarter report (1 October – 31 December) covers the latest cyber security threats in New Zealand and a summary of results for 2017.…

  • Quarter Three Report 2017

    The latest quarterly report for CERT NZ is for quarter three (1 July – 30 September) 2017.

  • Quarter Two Report 2017

    Since our launch on 11 April 2017, we have analysed trends in local cyber security data.