Microsoft says Chinese threat actors are targeting unpatched SharePoint servers in live attacks Hackers are at it again. This time, they've attacked on-premises Microsoft SharePoint servers.

Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities ...

If exploited, attackers can gain full access to SharePoint content and potentially pivot to Outlook, Teams, and OneDrive.

Tests performed by AV-Comparatives for malware protection from March 2025 corroborate the narrative. Both antiviruses passed ...

In essence, the differences between the two focus on three main areas: Focus - antivirus focuses on internal threats (virus, malware); firewall focuses on external threats through traffic management ...