The three properties that security protects: access only for those authorised, no unauthorised changes, and the ability to use something when it is needed.
The British doctrine JDP 2-00 describes security as protecting the confidentiality, integrity and availability of personnel, information and assets.1
The ODNI guide of 2009 calls the protection of the confidentiality, integrity and availability of information information assurance.2
Sources
- UK Ministry of Defence, JDP 2-00 Intelligence, Counter-intelligence and Security Support to Joint Operations, Edition 4, August 2023
- Office of the Director of National Intelligence (USA), National Intelligence: A Consumer’s Guide, April 2009
Checked: 3 November 2026