The Internet is one of the miracles happening in this century. Starting from a project known to a few hundred people, the Internet is now a global network and the hottest hype in the world. Its growth, however, has been slowed by the concern over Internet security. Internet security has been blamed as the stumbling block preventing the widespread acceptance of electronic business. Is Internet security really a problem? If so, what are the technologies available to alleviate this problem? How should management evaluate the existing technologies? This chapter looks at the issues surrounding e-business security. The chapter first discusses Internet security and then proposes a framework to help management evaluate existing security technologies.