We’re evolving our industry-leading Security Incidents and Event Management solution (SIEM), Microsoft Sentinel, to include a modern, cost-effective data lake. By unifying all your security data, Microsoft Sentinel data lake, in public preview, accelerates AI adoption and drives unparalleled visibility, empowering teams to detect and respond faster. With Sentinel data lake, you’re no longer forced to choose between retaining critical data and staying within budget. ​ 
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Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities targeting internet-facing SharePoint servers. In addition, we have observed another China-based threat actor, tracked as Storm-2603, exploiting these vulnerabilities. Microsoft has released new comprehensive security updates for all supported versions of SharePoint Server (Subscription Edition, 2019, and 2016) that protect customers against these new vulnerabilities. Customers should apply these updates immediately to ensure they are protected.
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