Doesn't need to be a neighbour - drop a small device in the garden, come back a couple of weeks later and collect the history.<div><br></div><div>Easy enough to spot patterns, without significant time/effort on each property.<br><br>On Tuesday, 17 February 2015, Bo Herrmannsen <<a href="mailto:bo.herrmannsen@gmail.com">bo.herrmannsen@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">or breaks in when someone is there but the data says other wise...<br>
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2015-02-17 23:54 GMT+01:00 Bruno Girin <<a href="javascript:;" onclick="_e(event, 'cvml', 'brunogirin@gmail.com')">brunogirin@gmail.com</a>>:<br>
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><br>
> On 17 February 2015 at 20:10, Damon Hart-Davis <<a href="javascript:;" onclick="_e(event, 'cvml', 'dhd@exnet.com')">dhd@exnet.com</a>> wrote:<br>
>><br>
>> [snip]<br>
>> Encryption of data such as occupancy another.<br>
><br>
><br>
> The target temp, boiler firing on/off, scheduling instructions and general<br>
> usage metrics could be used as a proxy to whether there are any occupants in<br>
> the building so should probably be encrypted too.<br>
><br>
> Attack scenario with that info: person next door snoops on data and works<br>
> out when the neighbour is in or out; breaks in the property when empty.<br>
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> Bruno<br>
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</blockquote></div>