Is O2 cell location data leaking to hackers?

[MikeYates]

I was recently in hospital next to a guy with an O2 phone getting lots of "your recent car accident" scam calls. Suddenly, after many months since very few to me, I got several of identical format to his. How did they know my phone was near his? I did not use the NHS wifi, only mobile data.

[MI5]

@MikeYates 

This is purely coincidence.

Once your number has been obtained by one of these spam agencies, it will be sold on a list and you'll get hundreds of calls and texts.

https://www.o2.co.uk/help/safety-and-security/unwanted-calls-and-messages

[jonsie]

I had one on Friday orning but they lost interest when I told them my accident was in Thailand.

[pgn]

Did you use your mobile number as your contact number on the hospital registration form, @MikeYates?

[MikeYates]

The hospital had my number well before this visit and I did not change or confirm it around this time. The other guy was under a different consultant. I enter my number as little as absolutely possible on the web, which is why I have so few scam calls normally.

[Anonymous]

@MikeYates 

Unfortunate coincidence.

[jonsie]

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@Anonymous wrote:

@MikeYates 

Unfortunate coincidence.

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^^^ Without a shadow of a doubt.

[MI5]

I thought so