Welcome to Week 4 Hello and welcome back.  You've reached the final section of this course!  Previously, we discussed security information and  event management, or SIEM tools, and  how they can be used to help organizations improve their security posture. Let's continue our security journey by exploring another tool  security professionals use: playbooks.  In this section, we'll explore how playbooks help security teams respond  to threats, risks, or vulnerabilities identified by SIEM tools. Then, we'll discuss the six phases of incident response.  Let's get started!