NETWORK SECURITY ESSENTIALS, FOURTH EDITION
A tutorial and survey on network security technology. The book covers important network security tools and applications, including S/MIME, IP Security, Kerberos, SSL/TLS, SET, and X509v3. In addition, methods for countering hackers and viruses are explored.
ONLINE RESOURCES AT THIS WEB SITE 
STUDENT RESOURCES: a list of relevant links organized by chapter and an errata sheet for the book.
INSTRUCTOR RESOURCES: useful links, links to Web sites for courses taught using this book, and sign-up information for a mailing list for instructors.
ONLINE RESOURCES AT PEARSON 
PREMIUM CONTENT: additional online chapters, additional online appendices, a set of homework problems with solutions, and a number of other supporting documents. See the card at the front of this book for access information.
PEARSON RESOURCES FOR INSTRUCTORS: includes solutions manual, projects manual, PPT slides, and testbank.
If you have any suggestions for site content, please email me by clicking on “contact me”, below. In particular, please pass along links to relevant web sites and links to course pages used by instructors teaching from this book.