Malicious SS7 activity and why SMS should never by used for 2FA
eric.kuhnke at gmail.com
Sun Apr 18 00:58:43 UTC 2021
Anecdotal: With the prior consent of the DID holders, I have successfully
ported peoples' numbers using nothing more than a JPG scan of a signature
that looks like an illegible 150 dpi black and white blob, pasted in an
image editor on top of a generic looking 'phone bill'.
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