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InfoResearchPeer-reviewed
AirMask: Enabling Air-to-Air Masking of Wireless Traffic Fingerprints in WiFi-Based IoT Environments
- Published
- Record updated
Summary
AirMask is a defense system that protects WiFi-connected IoT devices from attacks that infer privacy-sensitive user behavior from side-channel fingerprints of wireless frames. Instead of modifying each device, it passively senses fingerprints in the air and injects crafted frames to mask them, operating in a predict-inject-assess loop. The authors report a hardware prototype with Integrated, TAP, and Air modes, evaluated on 90 IoT device types and 53 fine-grained behaviors with negligible bandwidth and latency overhead.