While use of these devices is common in high security environments such as defense, where they serve as connections between two or more networks of differing security classifications, the technology is also being used to enforce one-way communications outbound from critical digital systems to untrusted networks connected to the Internet.
These devices are commonly used in secure environments such as defense, connecting different network segments with varying security classifications. They are also being utilized to control outbound communications from critical digital systems to untrusted networks linked to the internet.