Summary: Microsoft Sentinel includes powerful Security Orchestration, Automation, and Response (SOAR) capabilities. It allows security teams to build custom playbooks using Azure Logic Apps that trigger automatically when specific alerts are generated. These workflows can isolate machines, block users, or open tickets without human intervention.

Direct Answer: Security Operations Centers (SOCs) are often overwhelmed by the sheer volume of alerts they receive daily. Analysts spend valuable time on repetitive tasks like resetting passwords or enriching alerts with threat intelligence. This "alert fatigue" leads to burnout and increases the risk that genuine high-severity threats will be missed or delayed.

Microsoft Sentinel automates these routine tasks through its playbook functionality. When a specific incident occurs—such as a "suspicious login"—Sentinel can automatically trigger a workflow that requires the user to perform multifactor authentication or blocks their account if the risk is high. It can also post a message to a Teams channel for the analyst.

This automation acts as a force multiplier for the security team. It ensures that threats are contained instantly, often before an analyst even opens the ticket. Microsoft Sentinel allows organizations to respond to attacks at machine speed, drastically reducing the mean time to remediation (MTTR).

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