Linked by Howard Fosdick on Mon 21st Nov 2011 07:48 UTC
Google Last June, CNET disclosed that Google collects and publishes the estimated locations of millions of phones, laptops, and other Wi-Fi devices. All without their owner's knowledge or permission. Google has finally announced how to exclude your home network from this database. Simply append "_nomap" to its name. Details over at CNET. Left unsaid is why the burden is placed on millions of individuals to opt-out, instead of on perpetrator Google.
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RE[7]: Comment by clhodapp
by Alfman on Tue 22nd Nov 2011 01:38 UTC in reply to "RE[6]: Comment by clhodapp"
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"I think it was Netgear but I'm not entirely sure. The reason for re-using them is that the address space allocated to a manufacturer is not infinite."

Well they haven't run out yet, any reuse right now would suggest administrative error. Although I'm certainly interesting in reading any sources saying that manufacturers are doing it deliberately.

"Perhaps but in all honesty I dont see the point in doing so. The scenarios in which knowing the MAC address is serious attack vector are rather limited."

I already said some people using self-configuring IPv6 are already leaking a MAC address. But conceptually I don't really care where they learn my mac address - it could be at a conference or school or rest stop, I still don't like the idea that they might then use a database to track where I go.

"For one, the MAC address in itself carries no useful information."

It doesn't have to be "useful information" to track you, it just has to be unique.

"Secondly, to make any use of it you need to break into it and in order to do that you need to know either it's IP address or be in the local vicinity of the access point....Google's information is redundant and not really useful for the purpose of cracking."

It's the tracking of personal equipment that concerns me much more than having my device hacked.

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