A system in accordance with an embodiment of the invention includes a vulnerability detection system (VDS) and an intrusion detection system (IDS). The intrusion detection system leverages off of information gathered about a network, such as vulnerabilities, so that it only examines and alerts the user...http://www.google.ca/patents/US6957348?utm_source=gb-gplus-sharePatent US6957348 - Interoperability of vulnerability and intrusion detection systems
