Source URL: https://www.cisa.gov/news-events/alerts/2025/01/15/cisa-releases-microsoft-expanded-cloud-logs-implementation-playbook
Source: Alerts
Title: CISA Releases Microsoft Expanded Cloud Logs Implementation Playbook
Feedly Summary: Today, CISA released the Microsoft Expanded Cloud Logs Implementation Playbook to help organizations get the most out of Microsoft’s newly introduced logs in Microsoft Purview Audit (Standard). This step-by-step guide enables technical personnel to better detect and defend against advanced intrusion techniques by operationalizing expanded cloud logs.
The playbook details analytical methodologies tied to using these logs. Specifically, the playbook offers:
An overview of the newly introduced logs in Microsoft Purview Audit (Standard) that enable organizations to conduct forensic and compliance investigations by accessing critical events (e.g., mail items accessed, mail items sent, and user searches in SharePoint Online and Exchange Online).
A description of administration/enabling actions and ingestion of these logs to Microsoft Sentinel and Splunk Security Information and Event Management (SIEM) systems.
A discussion of significant events in other M365 services, such as Teams.
CISA encourages organizations to use the playbook to make newly available logs an actionable part of their enterprise cybersecurity operations.
AI Summary and Description: Yes
Short Summary: The released Microsoft Expanded Cloud Logs Implementation Playbook by CISA is significant for organizations looking to enhance their cybersecurity operations. It provides a comprehensive guide on how to utilize Microsoft Purview Audit logs for forensic analysis and compliance, while emphasizing integration with SIEM systems.
Detailed Description: The Microsoft Expanded Cloud Logs Implementation Playbook is a crucial resource developed by CISA, aimed at helping organizations leverage the capabilities of Microsoft Purview Audit (Standard). This guide focuses on optimizing the use of newly introduced logs to enhance cybersecurity measures, thereby providing actionable insights for technical personnel.
Key points from the playbook include:
– **Audit Log Overview**: Details about the new logs that allow for the examination of critical events, which include:
– Accessed mail items
– Sent mail items
– User searches in SharePoint Online and Exchange Online
– **Integration with SIEM Systems**: Instructions on how to administrate and enable the ingestion of these logs into Microsoft Sentinel and Splunk Security Information and Event Management (SIEM) systems.
– **Significant Events Documentation**: Information regarding important events in various M365 services, particularly Microsoft Teams, to enhance detection capabilities.
– **Operationalization of Logs**: CISA emphasizes the importance of integrating these logs into daily cybersecurity operations, enabling organizations to effectively utilize them for advanced threat detection and response.
This playbook not only serves as a guideline for forensic investigations but also supports compliance efforts within organizations, making it a vital tool for improving cloud computing security practices. Furthermore, its relevance extends to security and compliance professionals as it tackles the operational side of cloud logs, highlighting best practices and implementation strategies for cybersecurity readiness.