A network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.

A network security device that monitors and filters incoming and outgoing network traffic

A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy. . (CNSSI No. 4009, National Information Assurance Glossary, 26 April 2010) FIVE EYES (FVEY). Australia, Canada, New Zealand, United Kingdom and the United States. (CAPCO and DoDI C-5240.08, CI Security Classification Guide, 28 Nov 2011) Five Ws (also known as the Five Ws and one H). The formula for getting the "full" story on something. The maxim of the Five Ws (and one H) is that in order for a report to be considered complete it must answer a checklist of six questions, each of which comprises an interrogative word: Who, What, When, Where, Why, and How? (Wikipedia; accessed 20 Feb 2009)