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Doppelganger, tracked by Microsoft as Storm-1099, is a Russian influence operation focused on online information manipulation and propaganda amplification. The operation is associated with coordinated disinformation campaigns that use fabricated news content and social media amplification to shape public perception around high-visibility geopolitical and public events. During the Paris 2024 Olympics, Storm-1099 was attributed to anti-IOC messaging disseminated through fake news articles and coordinated amplification activity. Microsoft classifies Storm-1099 within its temporary Storm naming convention while identifying it as a Russian operation. The actor is part of the broader Russian influence-operations ecosystem rather than a conventional intrusion-focused espionage or ransomware cluster. High-confidence reporting supports spoofing and influence activity, but not broader cyber intrusion capabilities for this specific cluster in the supplied facts.
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2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Russian influence operation conducting anti-IOC messaging through fake news content and coordinated social amplification.
Russia-linked threat actor cluster listed in Microsoft's naming taxonomy mapping.
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Every observed MITRE ATT&CK technique, grouped by tactic.
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