Summary

This chapter presented a detailed roadmap for navigating the complexities of maintaining and refining the security posture through Microsoft Defender for Office 365. Acknowledging the dynamic interplay between security and operational functionality, the chapter furnishes a toolkit of methodologies and best practices, enabling you to adeptly balance protection measures with usability.

From leveraging user feedback to dissecting event logs, and tapping into the robust resources provided by Microsoft, this chapter equips administrators with the knowledge to proactively address and rectify issues, ensuring that Defender remains a stalwart guardian of their organization’s cyber fortifications. We delved into the practical use of tools such as audit log search, mailbox auditing, and the Incidents page, exemplifying their vital roles in the swift identification and management of security events and service health issues.

Furthermore, we explored the utilization of the...