Phone Numbers as an Attack Surface: What SIM Swap and Data Leaks Actually Expose
The majority of security teams' work time is devoted to passive mitigation, password rotation, enabling multifactor authentication, or making authentication more complex and giving much more attention to the phone number in recovery than to other factors. Not a communication channel, but rather an identifier, as said, it's used in many aspects of tools, banking, and also e-mail, and when all thieves discover the methods of using it, that's when trouble arrives.