Patent ID: 8046835
Filing Date: 2011-10-25
Classification: G06Q,H04L

Abstract:
1. A system that detects the state of a computer network, comprising: a plurality of distributed agents disposed in said computer network, each said distributed agent comprising: data collection means for passively collecting, monitoring, and aggregating data representative of activities of respective nodes within said computer network; means responsive to the data from the data collection means for analyzing said data to develop activity models representative of activities of said computer network in a normal state and activities of said computer network in an abnormal state as a result of intrusions, infections, scams and/or other suspicious activities in said computer network; and means for comparing collected data to said activity models to determine whether said computer network is in said normal state or said abnormal state at different times and to dynamically update said activity models based on said collected data, wherein said analyzing means performs a pattern analysis on the collected data to identify patterns in the collected data representative of suspicious activities and said comparing means compares the results of the pattern analysis of data collected by an agent to the results of pattern analysis of data collected by analyzing means of other agents to identify similar patterns of suspicious activity in different portions of the computer network.