Glossary

An area that has been authorised to process, store or communicate TOP SECRET data. Such areas are not necessarily tied to a specific level of security zone.

Common well studied and understood cryptographic algorithms that existed before the threat of a cryptographically relevant quantum computer existed.

A device that has been configured to automatically filter and control the flow of data.

The Traffic Light Protocol is a set of Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) designations used to ensure that information is shared with the correct audience.

A system that facilitates the transfer of data in one or more directions between different security domains.

Transport layer security is a widely adopted security protocol designed to facilitate privacy and data security for communications over the internet.

An IPsec mode that provides a secure connection between two endpoints by encapsulating an IP payload.

A type of malware or virus disguised as legitimate software, which is used to hack into the victim's computer.

A person or system formally identified as being capable of reliably producing data meeting certain defined parameters, such as a maximum data classification and reliably reviewing data produced by others to confirm compliance with certain defined parameters.

A supplier that has been verified as trustworthy as part of a cyber supply chain risk management assessment and subsequently documented on an organisation’s approved supplier list.