Step 6. Identify SOC maintenance tasks

Note

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Applies to:

• Microsoft 365 Defender

Here are the periodic or as-needed tasks to maintain your SOC for Microsoft 365 Defender.

Activity	Description	Cadence	Team assigned
Service administration collaboration with SOC Teams	Administration of peripheral services such as asset tracking (CMDB), application licensing (new SaaS licenses), device purchases (upgrades or renew device deployments), and other Microsoft 365 tenant-wide changes (Intune, Microsoft 365, and others) that may affect deployment of Microsoft 365 Defender products.	Weekly and as needed	Engineering & SecOps
Update anti-phishing and data loss prevention campaigns	Incorporate SOC use case and lessons learned with extended organization (HR, legal, training, and others).	Monthly and as needed	SOC Oversight
Deploy automation scripts and services where appropriate	Download and test automation scripts and configuration files from approved Microsoft sites to improve Microsoft 365 Defender operations.	Weekly and as needed	Engineering and SecOps
Portal or license management	Check announcements and the Microsoft Messaging Center for Microsoft 365 Defender portal or licensing needs based on Microsoft updates and new features.	Weekly	SOC Oversight
Update SOC escalation tickets	All SOC teams update escalation tickets (such as Sentinel, ServiceNow tickets) assigned to them.	Daily	All SOC teams
Track Microsoft Defender Vulnerability Management (MDVM) remediation activity	Generate MDVM Secure Score remediation activity and report to asset owners through an intranet portal.	Daily	Monitoring
Generate Secure Score report	Monitoring team tracks and reports Secure Score improvements.	Weekly SOC	Monitoring
Run IR tabletop exercise	Test SOC team playbooks in tabletop exercise.	As needed	All SOC teams

Integrate these tasks into your current SOC processes.

Next steps

You should review the guides referred to in this content and in the Microsoft 365 Defender library to determine how your own implementation of Microsoft 365 Defender should be structured and integrated.