security: Resurgence of a multi‑stage AiTM phishing and BEC campaign abusing SharePoint
Microsoft Security Blog
2026-01-22
Microsoft Defender researchers reported a resurgence of a multi-stage Adversary-in-the-Middle (AiTM) phishing campaign paired with business email compromise (BEC) that abused SharePoint and targeted multiple organizations in the energy sector, according to a Microsoft Security Blog post.