Even though organizations have developed and implemented a number of security countermeasures, computer abuse continues to be a problem, and information systems in organizations today remain in jeopardy. Researchers recommend security awareness programs as a means to increase security interest and knowledge, but this has not provided satisfactory results. In this paper, we introduce the concept of security knowledge management systems (SKMS). These systems overcome time and place limitations, consider different levels of security knowledge among users, promote voluntary participation, and provide a positive framework for learning security knowledge. SKMS gives users a way to overcome the limitations of traditional awareness programs through the ability to acquire the most current, diversified security knowledge, to search the knowledge more quickly and accurately, to store it more securely, to share it conveniently, and to maintain it cost effectively. As a result, SKMS allows users to acquire better security knowledge, while giving organizations a cost-effective way of reducing computer abuse.