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Identification and classification of security threats mainly concerns visibility. In this chapter, you learned how important it is to have complete network visibility and control to successfully identify and classify security threats in a timely fashion. This chapter also covered different technologies and tools that can be used to obtain information from your network and detect anomalies that can be malicious activity. This chapter provided overviews of Cisco NetFlow, SYSLOG, and SNMP. You also learned about robust event correlation systems, such as CS-MARS and open source monitoring systems that can be used in conjunction with NetFlow to allow you to gain better visibility in your network.

This chapter also provided an overview of anomaly detection solutions, in addition to tips on IPS/IDS tuning and the new anomaly detection features that Cisco IPS software supports.

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