Protection of Electronic Mail and Electronic Messages: Challenges and Solutions

As more and more information is moved around the organization and the world using the growing E‐mail and electronic messaging infrastructure,what technologies are available to ensure that these messages are protected, that the recipient is positive of the sender′s identity and that messages are not damaged or altered in transit? The paper‐based world of message exchange takes these capabilities for granted by using envelopes and signatures. How are these and similar protection mechanisms implemented in the world of electronic documents, E‐mail and electronic messaging? Provides a survey of the technology used to provide digital signatures, message authentication and message protection. It explains how these technologies work and how they can be used in an existing messaging infrastructure to allow the sending and receiving of sensitive information.