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Microsoft has formally tied the exploitation of security flaws in internet-facing SharePoint Server instances to two Chinese hacking groups called Linen Typhoon and Violet Typhoon as early as July 7, 2025, corroborating earlier reports
The China-lined threat actor behind the zero-day exploitation of security flaws in Microsoft Exchange servers in January 2021 has shifted its tactics to target the information technology (IT) supply chain as a means to obtain initial access to corporate networks
Microsoft has revealed that a Chinese threat actor it tracks as Storm-0940 is leveraging a botnet called Quad7 to orchestrate highly evasive password spray attacks
Entities located in Afghanistan, Malaysia, and Pakistan are in the crosshairs of an attack campaign that targets unpatched Microsoft Exchange Servers as an initial access vector to deploy the ShadowPad malware