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Re:Paypal's fraud prevention routine does it again by mcantor on Wednesday February 02, 2011 @11:26AM (#2170792)

    alter table accounts
        add column confirmed_not_a_fraudster boolean
            not null
            default false;
Re:Paypal's fraud prevention routine does it again by CWuestefeld on Wednesday February 02, 2011 @12:56PM (#2171223)
Remembering that the account owner is not himself a fraudster is not the same thing as verifying that the account hasn't been compromised and is now being used fraudulently.

(Granted that the OP's questions seemed to focus on the former, rather than the latter)

Re:Paypal's fraud prevention routine does it again by rokhayakebe on Wednesday February 02, 2011 @11:41AM (#2170860)
Oh snap, you have just saved Paypal millions of dollars and cut several jobs at their fraud desk.