Telecoms

• BPFDoor Sleeper Cells: How Red Menshen Buried Itself in the Telecom Backbone March 27, 2026

  Rapid7's months-long investigation into Red Menshen reveals kernel-level BPFDoor implants sitting dormant inside telecom infrastructure across the Middle East and Asia. Here's how the backdoor works, why it's nearly invisible, and what defenders can actually do.