Currently

most of the security audit systems are based on the audit of wide area network(WAN) data

and the audit of intranet users’ behavior is still in the primary stage of research.The traditional audit model of users’ behavior has low intelligence and the centralized structure audit has heavy burden.To deal with this deficiency

this thesis proposes a distributed intranet users’ behavior audit model.This model adopts three-level Agent structure and incorporates improved neural network analysis...