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[Openwifi CSI fuzzer for authorized sensing and covert channels](https://arxiv.org/pdf/2105.07428.pdf) (accepted by ACM WiSec 2021)
CSI (Channel State Information) of WiFi systems is available in some WiFi chips and can be used for environment (people, object, activity) sensing passively and secretly.
CSI (Channel State Information) of WiFi systems is available in some WiFi chips and can be used for sensing the environment (keystrokes, people, object) passively and secretly.
How could a CSI fuzzer stop unauthorized sensing?