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 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

nadia yousef


Spotlight on ransomware

CERT NZ Incident Response Manager Nadia Yousef provides an insight into ransomware and how organisations can protect the

16 July 2021


Critical vulnerability in Windows’ Kerberos protocol

11 November 2021


Traffic light protocol

The traffic light protocol (TLP) is a set of designations used to ensure that sensitive information is shared with the c