Comment on Substack confirms data breach affects users’ email addresses and phone numbersparentComments−praptak7moPhone numbers are kinda concerning given their popularity as 2FA. A phone number is now basically your shared password for everything. It's also semi public, hard to change and you are basically one SIM swap attack away from a full compromise.−direwolf207moEuropeans (who are the ones notified of the attack) enjoy significant bureaucracy around getting a SIM card assigned or reassigned.
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Phone numbers are kinda concerning given their popularity as 2FA. A phone number is now basically your shared password for everything. It's also semi public, hard to change and you are basically one SIM swap attack away from a full compromise.
Europeans (who are the ones notified of the attack) enjoy significant bureaucracy around getting a SIM card assigned or reassigned.