Re: Feds ‘Pinged’ Sprint GPS Data 8 Million Times Over a Year

John Case case at sdf.lonestar.org
Mon Dec 7 22:21:18 PST 2009


On Wed, 2 Dec 2009, coderman wrote:

> On Wed, Dec 2, 2009 at 7:27 AM, Eugen Leitl <eugen at leitl.org> wrote:
>> ...
>> Sprint Nextel provided law enforcement agencies with customer location data
>> more than 8 million times between September 2008 and October 2009...
>
> i am more interested in the redacted details of this little snippet:
>
>    "Our pricing schedules reveal (for just two examples) that upon
> the lawful request of law enforcement we are able to [XXX two examples
> redacted by USMS XXX]. In cooperation with law enforcement, we do not
> release that information to the general public out of concern that a
> criminal may become aware of our capabilities, see a change in his
> service, correctly assume that the change was made at the lawful
> request of law enforcement and alter his behavior to thwart a law
> enforcement investigation."
>
> what two examples of lawful intercept on Verizon lines would introduce
> a subtle "change in service" detectable by someone paying attention?


Maybe they would notice their handset continuously running low on battery, 
even without placing calls ?

Or maybe some lag, or delay in connection setup as call data or voice 
data, etc., is routed somewhere non-standard, or perhaps "repeated" on a 
parallel circuit ?





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