ThreatCluster

Iranian APT UNK_SmudgedSerpent Targets US Policy Experts with Phishing Attacks

First seen 2 Dec 2025, 18:33 UTC •DarkreadingProofpointInfosecurity-MagazineEsecurityplanet •21

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ThreatCluster

Between June and August 2025, the Iranian-linked APT UNK_SmudgedSerpent conducted targeted phishing campaigns against US academics and foreign policy experts. The group employed techniques such as credential theft and social engineering to gather intelligence on Iranian political and military developments.

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