Abstract: WebOS (Web based operating system) is a new form of Operating Systems. You can use your desktop as a virtual desktop on the web, accessible via a browser, with multiple integrated built-in applications that allow the user to easily manage and organize her data from any location. This paper starts with a introduction of WebOS and its benefits. We have identified some parameters for secure WebOS. A technical review is given with research design of TSFS Algorithm to provide security.

Keywords: AES (Advanced Encryption Standard), TSFS (Transposition-Substitution-Folding-Shifting encryption).