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I read that skype is quite secure. I wanted to ask if the same holds when it's used from a wireless device (say, laptop) or a mobile phone (iphone, android). This assumes it's connecting via a secure wireless network. Thanks.

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up vote 3 down vote accepted

The data stream is encrypted by the Skype client. If the client is running on your local device then it is encrypted before it is sent across the air.

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It uses the same security measures to communicate as it does on a regular computer. Even when not connecting through secure channels, the protocol uses Skype secures the data being sent.

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