Ensuring security for e-business information exchange is essential as it entails exchange of sensitive information. E-business transactions entail transfer of funds with buyers, sellers and business partners. Vulnerabilities and security incidents in the digital environment require an understanding of technology issues and security challenges for privacy and trust in an online environment. Technological developments over the past few years have made significant contributions to securing the Internet for e-business. This chapter is a discussion of managing security in an e-business organization. It illustrates the differences in security policies for traditional businesses and online businesses, introduces basic security concepts, provides an understanding of security incidents in e-business and briefly explains some basic security tools. More importantly the chapter highlights e-business security management by highlighting the need for organization-based security policies, procedures and practices. Trust and privacy issues in e-business have been addressed by highlighting the need for effective management of security in e-business.