Key Facts
• Microsoft revealed Russian cyber espionage targeting foreign embassies in Moscow.
• Investigation findings were published by Microsoft’s Threat Intelligence Team on July 31, 2025.
• Russia’s Federal Security Service (FSB) used local internet providers to spread malware.
• Malware targeted computers in foreign embassies and diplomatic institutions.
• Microsoft confirmed this activity in February 2025, ongoing since 2024.
• High risks identified for foreign embassies and diplomatic agencies in Moscow.
• Microsoft provides defense strategies on its official website.
Summary
Microsoft has accused Russia’s Federal Security Service (FSB) of conducting cyber espionage against foreign embassies in Moscow. The company’s Threat Intelligence Team disclosed on July 31, 2025, that the FSB has been using local internet service providers to distribute malware targeting embassy computers. This activity, confirmed in February 2025, has reportedly been ongoing since 2024. Microsoft warns of significant risks to diplomatic institutions and offers protective measures on its website.
