Shopping centre uses mobile phone data to "monitor visitor levels"

Chris Edwards chris-ukcrypto at
Wed Aug 24 16:38:30 BST 2011

On Wed, 24 Aug 2011, James Firth wrote:

| Reading the blurb from Path Intelligence it reads to me on first scan as
| though some kind of signature is being cribbed from the subscriber-base
| station comms. 


| I can't see how this can legally be done without the consent of the 
| network operator

For 2G, this bit isn't encrypted, so can be sniffed.

The specific data gathered (TIMSI) clearly *not* *content*, so not 
interception under RIPA, if that's what you're thinking of.

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