yes, that's right. on one of the forensics lists someone pointed out
that
he started google maps for 6 seconds
and ended up with 1253 locations in the cache, all with the same time
stamp. those would be potential known
locations in your neighborhood.
much fuller disclosure in
http://markey.house.gov/docs/applemarkeybarton7-12-10.pdf
including that the some of the location data comes from.... google.
it looks like everything gets anonymized, aggregated to 5 digit
zipcodes,
and max retention of 6 months, but don't
talk much about what the device does except when it uploads data.
the congressional disclosure, while it makes me feel better about
location
data, contains a few choice items like
it's unclear how apple can keep app developers from retaining location
data. which doesn't seem forbidden by apple, only by law.
it's also unclear why they keep really old data in the cache on the
phone.
cache bloat results for little benefit.
the android doesn't do time-based pruning either and has a similar
location cache with the same data it.
it appears to me that since the keying is by mac address or the tower
id
that there will only be one timestamped item for
each of those. so if you go around the same neighborhood repeatedly,
the
same data will be in the cache. so not exactly
tracking, just recency.
but it would seem prudent to both specify and implement the briefest
retention of the location data that was possible to perform
the function expected by the user.
On Apr 20, 2011, at 12:34 PM, Brandon Matthews wrote:
I've been poring over my phone's data, and I'm not sure if the
resolution is
just very low, or if it's logging the locations of towers and not my
phone.
Ex: http://imgur.com/2m5tO
I'm going to xref with FCC databases soon to try and find out.
B
(Not speaking for Cisco, only for myself and with nobody's approval)
On 4/20/11 12:11 PM, "Michele Orru" <antisnatchor () gmail com> did
declare:
Already twitted today.
Pretty scary btw. I hope there's not the equivalent for Android.
antisnatchor
------------------------------------------------------------------------
Thor (Hammer of God) <mailto:thor () hammerofgod com>
April 20, 2011 9:05 PM
For those of you who have not seen this yet:
http://radar.oreilly.com/2011/04/apple-location-tracking.html
Description: Description: Description:
cid:image001.png@01CBA43F.5B83F2A0
/There's no reason to think "outside the box" /
/if you don't think yourself into it. /
**
*My newest book: "Thor's Microsoft Security Bible
<
http://www.amazon.com/Thors-Microsoft-Security-Bible-Infrastructures/dp/1597
495727C:/Users/thor/Documents/Cakewalk>"
*
**
*Timothy Thor Mullen
thor () hammerofgod com <mailto:thor () hammerofgod com>*
*http://www.hammerofgod.com <http://www.hammerofgod.com/>*
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