High Assurance Guard

This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "High Assurance Guard" – news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this message)

A High Assurance Guard (HAG) is a multilevel security computer device which is used to communicate between different security domains, such as NIPRNet to SIPRNet. A HAG is one example of a Controlled Interface between security levels. HAGs are approved through the Common Criteria process.