This course provides students with an introduction to the concepts of Information Security. The essence of getting information onto the digital plane is to get it to its destination or target realistically and safely. The safety part of information is crucial to ensuring that technologies dedicated to manipulating data and presenting information are themselves failsafe and securely enabled. The principal intent of a course in Information Security is to make security a safe practice while supporting the purveyors of data and information. Much like the layered approach to networking, securing information also takes the burden of designing security into data and application resources away from the specialists thus ensuring robust data storage and applications.