Australian researchers have created a device, called the Cross Domain Desktop Compositor, which prevents data from leaking from one network to another or malware jumping across. The CDDC securely displays data draws from three separate networks of different classifications at the same time. Users would be able to use a web browser running on the open internet, an email client running on higher classification network and then a Microsoft Word document running on top-secret machine. The system is further strengthened by the operating system that runs the CDDC’s software.”]
Source: https://www.cuinfosecurity.com/cddc-one-secure-screen-for-classified-secret-public-networks-a-10294