Securing Your Business with Cisco ASA and PIX Firewalls

Protecting Yourself and Your Business

The question begging to be answered is, “How do I protect myself and my business from an Internet attack?” The protection is not as difficult as you might imagine. Fortunately, the anatomy of an attack hasn't changed since the original Morris worm in 1998. Defense in depth has proven to be an effective, proactive technique. Generally speaking, companies that have deployed defense in depth have not been affected by the successful attacks of the past several years. The attacks might have circumvented some layer of defense in depth, but they were eventually stopped before they did damage, even if the attack needed to be stopped at the host targeted by the attack. Chapter 2 explains how to deploy defense in depth. ...