In the digital world aided by Networked Computers, it is a daunting task toenforce security measures, especially when the data is potentially confidential to the firm at hand. With high efficiency systems in place, like firewalls and honey pots, to negate any attack over the network, the perpetrators now concentrate on breaking the weaker links in any organization, the employees. For an enterprise it is very important for employer to have a performance evaluation of his employees and to detect insider attacks and to keep company's data safe and prevent leaking of the companies secure data. An employee activity tool is a tool which allows an employer to track the activities of an employee in his working environment. The employee activity tool is based on remote administration concept. This tool will have a platform on which various plug-in can be written. The employee activity tracking tool will be multiplatform. The loss of productivity and intellectual theft are major concerns in any organization. In this paper we have studied various operations to be performed needed to be performed to enforce security measures against insider attack and to track and increase employee's productivity.