Microsoft Defender Update Enables SOC Teams to Manage and Vet Response Tools

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Microsoft Enhances Defender with Library Management for SOC Teams

Microsoft has introduced a library management feature in Microsoft Defender, designed to streamline the management of response tools for security analysts working on live investigations. This update enables analysts to organize and manage their investigation tools more efficiently, without relying on an active session.

According to Ami Barayev, Principal Product Manager at Microsoft, this enhancement improves operational readiness, visibility, and control, while also simplifying response workflows across Security Operations Center (SOC) teams.

Library Management Interface

The library management interface allows analysts to upload, manage, and maintain a centralized collection of live response scripts and files. This includes PowerShell scripts, batch files, and other response tools, which can be uploaded in advance and made immediately accessible during an investigation.

Ensuring Library Integrity

To ensure the integrity of the library, analysts can review script contents within the Defender user interface, validating logic and functionality before execution. Outdated and redundant scripts can be deleted to keep the library relevant and audit-friendly.

Microsoft Security Copilot Analysis

Microsoft Security Copilot provides an additional layer of analysis, automatically examining scripts in the library and offering summarized behavior descriptions, security insights, and execution risk context. This enables analysts to assess the purpose and potential risks of a script before running it.

By centralizing script and file management, SOC teams can improve their incident response workflows, reducing the time and effort required to triage, investigate, and remediate threats.