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Wi-fi Networks Hidden Layer 1 Security Threats
![JDMurray](https://us.v-cdn.net/6030959/uploads/userpics/266/nLAZT4N7BCWGB.png)
Here is a nice and short white paper about Layer 1 threats to wireless networks: http://www.cisco.com/en/US/prod/collateral/wireless/ps9391/ps9393/ps9394/prod_white_paper0900aecd807395b9.pdf