SPECTER: Covert Data Exfiltration from Air-Gapped Systems via USB Power Modulation
SPECTER demonstrates post-compromise data exfiltration from air-gapped networks by modulating USB port power states — extending the known catalogue of covert channels that defenders of classified or OT-segregated environments must account for.
Summary written by editorial AI · Source link below
arXiv:2610.28401v1 Announce Type: new Abstract: We present SPECTER, a post-compromise covert channel that uses host-side USB power control to exfiltrate information from air-gapped and network-segregated systems. A transmitter with administrative privileges encodes bits through USB power-management or device-state operations without placing the payload in USB data transfers. The resulting signals are recovered through three alternative receiver paths based on smartphone charging states, visible
Editorial Analysis
Organisations operating air-gapped environments (defence, critical infrastructure, R&D labs) need to reassess physical-layer threat models as covert USB power channels bypass network-level controls entirely.
Review USB port policies on air-gapped hosts; consider disabling software-controllable USB power management where feasible.
Researchers demonstrated a new way to steal data from isolated networks via USB power modulation, challenging assumptions about air-gap security.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
External link — opens at arXiv Crypto & Security in a new tab.
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