IT specialists

Practical information on keeping systems and data safe from attack.


How ransomware happens and how to stop it

Ransomware attacks are becoming increasingly common and sophisticated. This is how CERT NZ’s critical controls can help.


Log4j RCE 0-day actively exploited

20 December 2021


Legacy systems

Legacy systems are systems that are no longer supported by the vendor, or systems that an organisation no longer maintai

2019 05 30 MTP 1764

Critical Controls

Multi-factor authentication and verification

You can authenticate with something you know, something you have, or something you are. Multi-factor authentication (MFA


Critical Vulnerability in Palo Alto VPN

12 November 2021

CERT 180420 WEB 210


New Zealand takes the first step in creating a lead operational cyber security agency

31 August 2023

CERT TEC 180518 WEB 268

Critical Controls


Keeping your software up-to-date is one of the most simple and effective steps to take, to ensure your environment stays


Mobile device management

A mobile device is any portable device that can access and hold organisational data. It's important to secure these devi