RE: Hackers View Visa/MasterCard Accounts

[John.Airey () rnib org uk]

This doesn't even take into account that AVS is US only so has only limited
protection.

- 
John Airey, BSc (Jt Hons), CNA, RHCE
Internet systems support officer, ITCSD, Royal National Institute of the
Blind,
Bakewell Road, Peterborough PE2 6XU,
Tel.: +44 (0) 1733 375299 Fax: +44 (0) 1733 370848 John.Airey () rnib org uk 

A fundamentalist - what you call someone more sure of what they believe than
what you are


> -----Original Message-----
> From: Jason Coombs [mailto:jasonc () science org]
> Sent: 18 February 2003 18:01
> To: Richard M. Smith; full-disclosure () lists netsys com
> Subject: RE: [Full-disclosure] Hackers View Visa/MasterCard Accounts
>
>
> AVS gives the merchant a clue as to whether or not there is 
> high risk posed
> by a particular alleged-customer.
>
> Merchants are free to ignore AVS, and many don't even bother 
> to use it.
>
> Anyway, it doesn't impact the "declined" or "authorized" 
> result given to a
> shopper at an e-commerce site that implements real-time processing.
>
> Jason Coombs
> jasonc () science org

- 

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