Vulnerability of Information Disclosure in Data Transfer Section for Safe Smartwork Infrastructure

Recently, by taking the latest portable IT devices, interest are growing for the 'Smart work' to conduct business in real time without the constraints of time and places. The companies taking Smart Work as a enviroment has become a necessity rather than choice. In reality because user of smart phone is growing exponentially, using personal device are getting lots of people to do their tasks. This is called BYOD(bring your own device), and if the security element is ignored or neglected, Smart Work will be a threat. This paper selects major domestic and external web sites which provide cloud, VoIP, messenger, E-mail services and examines whether data are encrypted or not for constructing a safe Smart Work infrastructure.