In today's national and global enterprises where business is conducted across time zones and continents, the "e" in email could stand for "essential." Even more critical is rock-solid email security. If you're the person charged with implementing that email security strategy, this book is for you. Backed with case studies, it offers the nuts-and-bolts information you need to understand your options, select products that meet your needs, and lock down your company's electronic communication systems.

* Review how email operates and where vulnerabilities lie
* Learn the basics of cryptography and how to use it against invaders
* Understand PKI (public key infrastructure), who should be trusted to perform specific tasks, how PKI architecture works, and how certificates function
* Identify ways to protect your passwords, message headers, and commands, as well as the content of your email messages
* Look at the different types of devices (or "tokens") that can be used to store and protect private keys