Remember metadata , they also know person A send message to person B at specific time. Of course knowing phone number also gives them your location from cellular towers.
If you're using text messages, yes, but not with signal. They just know that you have it, nothing more.
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Remember metadata , they also know person A send message to person B at specific time. Of course knowing phone number also gives them your location from cellular towers.
If you're using text messages, yes, but not with signal. They just know that you have it, nothing more.