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Friday, January 31, 2014

Another credit-card-as-Authentication hack

This is a pretty impressive social engineering story: an attacker compromised someone's GoDaddy domain registration in order to change his e-mail address and steal his Twitter handle. It's a complicated attack.
My claim was refused because I am not the "current registrant." GoDaddy asked the attacker if it was ok to change account information, while they didn't bother asking me if it was ok when the attacker did it. [...]
It's hard to decide what's more shocking, the fact that PayPal gave the attacker the last four digits of my credit card number over the phone, or that GoDaddy accepted it as verification.
The misuse of credit card numbers as authentication is also how Matt Honan got hacked.

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