Complex sentence: Fox DataDiode is a secure one-way communication system, e.g. to secure datatransfer where no real-time authentication is possible (for example when copying data on a physical medium such as a disc or USB key) but also other applications are possible.
Split into simpler sentences: Fox DataDiode is a secure one-way communication system, e.g. to secure datatransfer where no real-time authentication is possible. For example when copying data on a physical medium such as a disc or USB key but also other applications are possible.