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Security event management (SEM) is the process of identifying, gathering, monitoring and reporting security-related events in a software, system or IT environment. SEM enables the recording and evaluation of events, and helps security or system administrators to analyze, adjust and manage the information security architecture, policies and procedures.
SEM is primarily a security management technique used to analyze the data collected from security events. Typically, SEM is enabled through a purpose-built application that is integrated at all end-user devices, networking equipment, firewalls and servers. It takes data input from all devices/nodes and other similar applications such as log management software. The collected events data is analyzed with security algorithms and statistical computations to trace out any vulnerability, threat or risk.
SEM solutions/processes are now mostly used in conjunction with security incident management to provide a consolidated security incident and event management (SIEM) solutions.