Microsoft Disrupts Large, Cloud-Based BEC Campaign

Threat hunters at Microsoft recently uncovered and disrupted infrastructure that powered a large-scale business email compromise BEC campaign. The infrastructure was hosted on multiple cloud platforms, which allowed it to stay under the radar for quite some time. “The attackers performed discrete...

Behind the scenes of business email compromise: Using cross-domain threat data to disrupt a large BEC campaign

Microsoft 365 Defender researchers recently uncovered and disrupted a large-scale business email compromise BEC infrastructure hosted in multiple web services. Attackers used this cloud-based infrastructure to compromise mailboxes via phishing and add forwarding rules, enabling these attackers to...