eavesdropping

Researchers Turned a Fiber Optic Cable Into a Listening Device. Your RF Scanner Won't Find It.

John Z Black Apr 14, 2026

Security Operations & Resilience #fiber-optic #eavesdropping #physical-security #wiretap #surveillance #ndss-2026 #acoustic-sensing

New research from NDSS 2026 demonstrates that standard fiber optic cables can reconstruct conversations in adjacent rooms using off-the-shelf commercial equipment. No network access. No credentials. No software. And it bypasses both RF scanners and ultrasonic jammers, the two most common counter-surveillance tools.