Glossary

Data that has been formally authorised for release into the public domain.

Information that has been formally authorised for release into the public domain.

A set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.

Network infrastructure that an organisation has no control over, such as the internet.

Public network infrastructure used for voice communications.

Any Wi-Fi service established and owned by a contributing group that is provided for use by its customers on a wireless device.
Public Wi-Fi may be unsecured, password protected or have other secure authentication protocols established and managed by such contributing group.
See also unsecured networks.

Handsets that have a button that needs to be pressed before audio can be communicated, thus providing off-hook audio protection.

The ability to provide different priorities to different applications, users or data flows, or to guarantee a certain level of performance to a data flow.

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.