Trusted Operating System (TOS) generally refers to an operating system that provides sufficient support for multilevel security and evidence of correctness to meet a particular set of government requirements.
When confidential or important information is transmitted over non-secure networks such as the Internet it is often sensible to encrypt the data with an encryption package. Then in the event of the data being intercepted or received by the wrong person it will be very difficult for them to determine what is contained within the message thus protecting the data. Encrypting [...]
