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Microsoft Sentinel Enhancements with Unified Data Lake and Agentic Security

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Microsoft has expanded its Sentinel Security Information and Event Management (SIEM) solution into a unified agentic platform with the general availability of the Sentinel data lake. This enhancement includes the public preview of Sentinel Graph and the Sentinel Model Context Protocol (MCP) server, which aim to provide better visibility, advanced analytics, and AI-driven security capabilities. The Sentinel data lake ingests and manages security data from diverse sources, enabling AI models to detect subtle patterns and correlate signals. This shift allows security teams to uncover attacker behavior, hunt over historical data, and trigger automatic detections. The new graph tools and MCP server facilitate integration of third-party and internally developed agents, enhancing the platform's capabilities. Additionally, Microsoft has emphasized the importance of securing AI platforms and implementing guardrails to protect against prompt injection attacks, with planned enhancements to Azure AI Foundry. The company has also launched the Microsoft Security Store, expanding integration with partners like Accenture, Darktrace, IBM, Illumio, ServiceNow, Simbian, and Zscaler.

Timeline

  1. 30.09.2025 16:00 2 articles · 15d ago

    Microsoft Sentinel Expanded with Unified Data Lake and Agentic Security Features

    Microsoft has expanded its Sentinel SIEM solution into a unified agentic platform with the general availability of the Sentinel data lake. This includes the public preview of Sentinel Graph and the Sentinel Model Context Protocol (MCP) server. The enhancements aim to provide better visibility, advanced analytics, and AI-driven security capabilities. The Sentinel data lake ingests and manages security data from diverse sources, enabling AI models to detect subtle patterns and correlate signals. This allows security teams to uncover attacker behavior, hunt over historical data, and trigger automatic detections. The new graph tools and MCP server facilitate integration of third-party and internally developed agents, enhancing the platform's capabilities. Microsoft is also emphasizing the need for securing AI platforms and implementing guardrails to protect against prompt injection attacks, with planned enhancements to Azure AI Foundry. The company has also launched the Microsoft Security Store, expanding integration with partners like Accenture, Darktrace, IBM, Illumio, ServiceNow, Simbian, and Zscaler.

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