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A Researcher Figured Out How to Reveal Any Phone Number Linked to a Google Account
Phone numbers are a goldmine for SIM swappers. A researcher found how to get this precious piece of information from any Google account.
“I think this exploit is pretty bad since it's basically a gold mine for SIM swappers,” the independent security researcher who found the issue, who goes by the handle brutecat, wrote in an email. SIM swappers are hackers who take over a target's phone number in order to receive their calls and texts, which in turn can let them break into all manner of accounts. Typically that’s in the context of finding someone’s password, but here brutecat is doing something similar to determine a Google user’s phone number.
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