This document discusses cyber incident response. It covers incident classification, network event monitoring, network monitoring tools, and detecting network events. Incident classification involves categorizing incidents by method of attack. Network event monitoring collects and analyzes data from devices to understand network conditions. Common tools to monitor include port scanners, interface monitors, packet flow monitors, and SNMP. Detecting events involves watching traffic for policy violations, exploits, and unknown traffic using NIDS and NIPS.