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Monthly Archive for July, 2025

This month Microsoft introduced a data lake for Sentinel, meant to store large amounts of security data at a much lower cost than before. That may sound like a technical detail, but it touches a business question I have written about many times: how much security data can you afford to keep? For years the […]

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This month a critical vulnerability in on-premises SharePoint, called ToolShell, was exploited on a massive scale. Attackers could run code on internet facing servers without logging in. Within days, several hundred servers in many countries were confirmed compromised, and the attackers stole the servers´ machine keys, which let them keep access even after the patch. […]

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