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No, encryption is an optional feature of the 802.11 standards. Every once in a while I see an unencrypted wifi AP nearby (it's the default on Android to show a

by cesarb 9y ago

No, encryption is an optional feature of the 802.11 standards. Every once in a while I see an unencrypted wifi AP nearby (it's the default on Android to show a notification whenever it sees an unencrypted wifi AP).