Glossary

The transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light.

A device designed to transmit electromagnetic radiation as part of a radio communication system.

Remote Access Dial-In User Service

Random-access memory

Malicious software that makes data or systems unusable until the victim makes a payment.

An administrative decision to change the security controls used to protect data based on a reassessment of the potential impact of its unauthorised disclosure. The lowering of the security controls for media containing sensitive or classified data often requires sanitisation or destruction processes to be undertaken prior to a formal decision to lower the security controls protecting the data.

A plan that outlines an organisation's recovery strategy for how they are going to respond to a cybersecurity incident.

Most commonly refers to the removal of information from a document to ensure that information remains private or secret from a wide audience. It can also refer to a form of editing in which multiple sources of texts are combined and altered slightly to make a single document.

Data not to be passed to, or accessed by, foreign nationals beyond those belonging to specific nations which the data has been authorised for release to.

Access to a system that originates from outside an organisation’s network and enters the network through a gateway, including over the internet.