Please help me to fix my sentences or give me a better way to say it. These days, we can experience to use a mobile device which is like a laptop computer in our hand owing to high quality mobile devices and fast wireless internet provided. Distance and time is no longer concerned when it comes to checking our mailbox and doing document work on a mobile device. However, security became a main issue with increased freedom of workplace. Opening an intranet site for users who connect it from outside with their smart phone or tablet PC leads to security issues, it is even more risky to lose those devices. In addition, building Smartwork is restricted due to the cost of solutions for solving these security issues. we explain a way to design an inexpensive way to build Smartwork and propose a framework witch can help you to develop an integrated security smartwork system. This framework is also easily connected with common frameworks so that you can be assured of integrity, confidentiality, easy to get a user authentication between mobile devices and servers when it applies to existing systems.