Security of your personal data a major issue on O2
When you browse from an O2 mobile, we add the user's mobile number to this technical information.One business owner who checked his servers' logs told the BBC that he had discovered that they contained hundreds of mobile phone numbers and said that he was concerned that advertisers could make use of the information. "They could now know not just your phone number, but all the websites that you visit, and so target you." One Twitter user wrote: "Woah - @O2 users' mobile numbers are being beamed to every website - and ad server - they access? That's... not good." O2 said it "would like to apologise for the concern we have caused". There is no evidence that other networks had experienced similar problems.
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