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Microsoft


32 Posts

Microsoft Finds Secret Blizzard Targeting Foreign Diplomats

Microsoft has uncovered a long-running campaign by a threat group affiliated with Russian intelligence that has targeted diplomats working in Russia with a custom tool called ApolloShadow that enables the group to maintain persistence on victims’ devices as part of a cyberespionage operation. The group is known as Secret Blizzard and Microsoft’s researchers found that […]

By Dennis Fisher

August 11, 2025 | 2 min read

MicrosoftRussia

Chinese Attackers Target SharePoint CVE-2025-53770

Three separate Chinese threat groups are exploiting a set of recently disclosed vulnerabilities in on-premises Microsoft SharePoint installations, and Microsoft and CISA are urging companies that haven’t yet updated their installations to do so as quickly as possible.  Microsoft first published information about the two flaws (CVE-2025-53770 and CVE-2025-53771) on July 19 after seeing active […]

By Dennis Fisher

August 11, 2025 | 2 min read

ChinaMicrosoft
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