intrusion detection systemsNIST Special Publication on Intrusion Detection Systems Intrusion Detection Systems Rebecca Bace1 and Peter Mell2 1 2 Infidel, Inc., Scotts Valley, CA National Institute of Standards and Technology Page 1 of 51 NIST Special Publication on Intrusion Detection Systems Intrusion Detection Systems ..... 1 NIST Special Publication on Intrusion Detection Systems............................................... 5 1. Introduction............................................................................................................. 5 2. Overview of Intrusion Detection Systems ................................................................ 5 2.1. What is intrusion detection?............................................................................. 5 2.2. Why should I use Intrusion D……