Cisco Security Professional's Guide to Secure Intrusion Detection Systems

Foreword

The Internet used to be a place of shared access and shared ideas. In recent years, however, the Internet has taken on more of a Wild West personality, with general users, hackers, crackers, troublemakers, and information thieves using it for both business and pleasure. With such a mix of personalities online, it has become much more difficult to sort out who is safe and who is a threat. At the same time, the threats have become much more difficult to detect and protect against. Like the old west, network managers, administrators, and anyone else with a vested interest in protecting their data have built forts on the Internet to protect that data (now called “intellectual property”). People have finally awoken to the understanding that ...