The predicted wave of Iranian cyber retaliation never came

Mohammad Tajik claimed to be an Iranian intelligence officer and promised to reveal his country’s secrets. But first he had a game to play.

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Proofpoint would like to thank Josh Miller for his initial research on UNK_SmudgedSerpent and contribution to this report.  Key findings  Between June and August 2025,

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Key findings Proofpoint created a new open-source tool for creating threat detection rules based on unique characteristics in PDFs called “PDF Object Hashing”.  This technique can

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Chinese-linked hackers are targeting the Taiwanese semiconductor industry and investment analysts as part of a string of cyber espionage campaigns, researchers said on Wednesday.