Development of network security plan which protects your whole complex network is a very important task. Designing security plan is complex process because of extranet connection used for business partners, public networks for ecommerce and remote-access services for users accessing…

Where there is a computer network, security threats exist there. Security threats can be from inside network and from outside network. In a company, when employees are given access to network, security risk increases. Administrator must control network security threats. …