In this book, security experts from Cisco Systems shows how to detect a security incident damaging on your global network - the first by teaching you where your assets need to be monitored carefully, and then by helping you develop strategies that are targeted and pragmatic techniques to protect them. Security Monitoring is based on the authors many years experience in the global response to incidents to keep Cisco secure networks. These steps will help you: Developing Policies: defining the rules, regulations, and monitoring criteria to Know Network: build your knowledge with the network infrastructure telemetry Choose your target: defining a subset of infrastructure to be monitored Choose Event Source: identify the types of activities required to find a policy violation Feed and Tune: collect data, generate alerts, and tune the system that uses contextual information Maintain reliable Event Source: preventing critical gaps in collecting and monitoring activities Security Monitoring describe these steps with detailed examples that will help you learn to choose and use the best techniques to monitor your company's own network.