MEDIUMVulnerability
Global

Russia's Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor

·Source: The Hacker News

Updated:

Executive Summary

Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft. The campaigns, aimed at people and organizations tied to Ukraine, have affected more than 100 organizations since January, mostly in the U.S. and U.K. At least one computer was infected, but the number of breached

Analysis

Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft. The campaigns, aimed at people and organizations tied to Ukraine, have affected more than 100 organizations since January, mostly in the U.S. and U.K. At least one computer was infected, but the number of breached
Source Attribution

Originally published by The Hacker News on Sep 29, 2026.

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