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Chinese Hacking Groups Exploit Microsoft Flaws, Global Impact

7/23/2025

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Summary

Story summary

Starting July 18, 2025, Chinese-linked hacking groups, such as Linen Typhoon and Violet Typhoon, targeted critical flaws in Microsoft SharePoint servers, affecting more than 100 organizations worldwide. Despite Microsoft’s emergency patches, many systems may already be breached. Investigations are uncovering ties to Chinese IP addresses, suggesting a sophisticated cyber espionage campaign.

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Story summary

Starting July 18, 2025, Chinese-linked hacking groups, such as Linen Typhoon and Violet Typhoon, targeted critical flaws in Microsoft SharePoint servers, affecting more than 100 organizations worldwide. Despite Microsoft’s emergency patches, many systems may already be breached. Investigations are uncovering ties to Chinese IP addresses, suggesting a sophisticated cyber espionage campaign.