An Iranian cyber espionage gang with ties to the Islamic Revolutionary Guard Corps has learned new methods and phishing techniques, and aimed them at a wider set of targets – including politicians, government officials, critical infrastructure and medical researchers – according to email security vendor Proofpoint. Over the past two years, the threat actor group that Proofpoint’s researchers track as TA453 (other intel teams call this state-backed gang Charming Kitten, Phosphorus, and APT42) has branched out from its usual victims – academics, researchers, diplomats, dissidents, journalists and human rights workers – and adopted new means of attack.

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