Lately I visited my first Chaos Computer Congress (34C3) which was a really great event. I learned a lot about security and data privacy there. The result was that after the first day I found myself banning Amazon Echo from my living room. During the following days my suspicion towards smart home devices grew more and more. So I decided that it was time to find out which of my devices enjoy talking home and are sending data about me to the cloud. As all my smart home devices are connected via wifi I decided to monitor the wireless traffic of suspicious devices. A Raspberry Pi 3 which I had in spare should provide a wireless access point and bridge it to the ethernet port that goes straight to the router. This way the device under surveillance can talk home unaffected. But I can now monitor the traffic with a network monitoring tool like Wireshark.

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