Wireless Deauthentication Attack
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def
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a wireless denial-of-service attack that forcibly disconnects clients from a wireless network, by exploiting unprotected 802.11 management frames (which historically had no authentication or encryption)
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mitigation
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802.11w (July 2014) encrypts important management frames (disassociate, deauthenticate, channel switch, etc.); required for 802.11ac compliance — though not everything is protected (beacons, probes, authentication, and association frames are still unencrypted)
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related