Detecting and mitigating a multi-stage AiTM phishing and BEC campaign

Microsoft Defender Experts uncovered a multi-stage adversary-in-the-middle (AiTM) phishing and business email compromise (BEC) attack against banking and financial services organizations.

The attack originated from a compromised trusted vendor and transitioned into a series of AiTM attacks and follow-on BEC activity spanning multiple organizations.

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Source: Microsoft