Skip to main content
. 2 3 A B C D E F G H I J K L M N O P Q R S T U V W X Z


National Broadband Network

The National Broadband Network (NBN) is an Australian national wholesale open-access data network project. It includes wired and radio communication components rolled out and operated by NBN Co Limited.

National Exercise Program

The National Exercise Program is a program that uses exercises and other readiness activities that target strategic decision making, operational and technical capabilities, strategic engagement and communications. Through these exercises the program can help broaden your understanding of the roles and responsibilities of key government agencies and private sector organisations when responding to a cyber security incident.

National Relay Service

The National Relay Service is a government initiative that allows people who are deaf, hard of hearing and/or have a speech impairment to make and receive phone calls.


National Broadband Network


National Cyber Security Centre (UK)


Non-Disclosure Agreement


The principle of restricting an individual’s access to only the information they require to fulfil the duties of their role.


Part of Juniper Networks


Two or more computer systems linked together

Network access control

Security policies used to control access to a network and actions on a network. This can include authentication checks and authorisation controls.

Network device

ICT equipment designed to facilitate the communication of information.

Network infrastructure

The infrastructure used to carry information between workstations and servers or other network devices.

Network segmentation

Network segmentation involves partitioning a network into smaller networks; while network segregation involves developing and enforcing a ruleset for controlling the communications between specific hosts and services.

Network segregation

Network segregation involves developing and enforcing a ruleset for controlling the communications between specific hosts and services; while network segmentation involves partitioning a network into smaller networks.


The linking of computers to allow them to operate interactively.


News is newly received or noteworthy information, especially about recent events.


Not for profit


Network-based Intrusion Detection System


Network-based Intrusion Prevention System


National Institute of Standards and Technology

Non-Disclosure Agreement

A contract by which one or more parties agree not to disclose confidential information that they have shared with each other as a necessary part of doing business together.


Providing proof that a user performed an action, and in doing so preventing a user from denying that they did so.

Non-shared government facility

A facility where the entire facility and personnel are cleared to the highest level of information processed in the facility.

Non-volatile media

A type of media which retains its information when power is removed.

Not for profit

Not for profit is an organisation that does not operate for the profit, personal gain or other benefit of particular people.


National Relay Service