Implementation of the Security System for Instant Messengers

Instant messenger (IM) has grown rapidly to involve billions of users. It can eliminate long trails of voice mails and e-mails, and it is especially valuable to link remote individuals. The previous researches of the bad influences of IM are focused on interruption of desktop computing tasks. We take the security problems of IM into consideration because IM has many security risks that may have severed impacts. In this paper, we provide the requirements analysis of security systems to control IM's risks and our development efforts to implement these security systems in technical aspects.