12

Active Sensors

Now that your network is segmented, you need to actively monitor to detect suspicious activities and threats, and take actions based on that. Your security posture won't be fully completed if you don't have a good detection system; this means having the right sensors distributed across the network, monitoring the activities. The Blue Team should take advantage of modern detection technologies that create a profile of the user and computer, in order to better understand anomalies and deviations in normal operations. With this information, preventative actions could be taken.

In this chapter, we are going to cover the following topics:

  • Detection capabilities
  • Intrusion detection systems
  • Intrusion prevention systems
  • Behavior ...

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