Chapter 19. Exchange Server Security Basics

The Scope of Security	468
Motivations of a Criminal Hacker	469
How Hackers Work	470
Physical Security	474
Administrative Security	474
SMTP Security	480
Computer Viruses	485
Junk E-Mail	487
Security Tools Provided by Microsoft	488
Summary	489

Security incidents, including hacking, virus attacks, spyware outbreaks, and identity theft, have rocked the computing world. Due to the e-mail server’s reliance on access to the outside world, e-mail has become a target for miscreants everywhere, who try to use this medium to gain access to an organization. As such, security has become so central to the administrator’s role that a large portion of this book is devoted to a discussion of it.