Submission + - Some mobile phones give out phone # when surfing (computerworld.com)
knorthern knight writes: Story at http://www.computerworld.com/s/article/9174220/Is_your_mobile_phone_giving_out_your_phone_number_ says that
* SOME "medium-price-ranged" phones need a Web proxy to reformat Web pages for their smaller displays.
* The cellphone service provider's web proxy modifies the outgoing HTTP-headers to include unique identifiers such as the International Mobile Subscriber Identity number, customer account numbers and — most troubling — the actual mobile phone numbers.
* the webserver can log this info, and data-mine it. The possibilities are endless.
* Amongst the cellphone providers doing this are Orange (UK) and Rogers (Canada)
* SOME "medium-price-ranged" phones need a Web proxy to reformat Web pages for their smaller displays.
* The cellphone service provider's web proxy modifies the outgoing HTTP-headers to include unique identifiers such as the International Mobile Subscriber Identity number, customer account numbers and — most troubling — the actual mobile phone numbers.
* the webserver can log this info, and data-mine it. The possibilities are endless.
* Amongst the cellphone providers doing this are Orange (UK) and Rogers (Canada)