Computer security is a technical and social problem. It is just as much about social relationships as it is about computers as tools. Internet security professionals are as concerned with how people use information as they are with how machines manipulate and process that information. This book is a case study of how the knowledge systems articulated by computer antivirus industry professionals affect technological security. It analyzes the tensions and political dilemmas at the heart of the interrelationships among science, technology, and society.