Re: Should we make Payment Method Best Practice a WPWG Note?

Hi Ian,

I'd support the WG taking this up as a draft for possible publication as a
note.

Adrian

On 24 June 2017 at 00:43, Steve Sommers <steve@shift4.com> wrote:

> Hi Ian,
>
> I rarely make it to the conference calls so I'll provide some feedback
> here for the reference Payment Method Best Practice document.
>
> In the Payee Identity section there is a reference "In these cases, it may
> be useful to provide a 'merchantID' in the data field..." and then the
> example code show shows merchantIds. These merchant IDs cannot and should
> not be the merchant's acquirer bank merchant ID number as this would be
> very dangerous.
>
> Background: Years back deviants learned that old credit card terminal
> found on ebay and other resale sites contained merchant IDs. They then used
> these IDs to post fraudulent credit/return postings to their "mule cards"
> and posted offsetting sales/purchases to stolen cards. Other deviants
> simply used the merchant IDs to validate that stolen cards were valid and
> could be used for purchases. Moral of the story: Merchant IDs are
> considered sensitive data and should be protected.
>
> More thought will need to be given to the merchant ID - or maybe there has
> been and I just didn't read enough of the referenced docs.
>
>
> Steve Sommers
> Senior Vice President, Applications Development
>
> Shift4 Corporation
> 1491 Center Crossing Road
> Las Vegas, NV  89144-7047
>
> 702.597.2480 ext. 40400
> fax 702.597.2499
> www.shift4.com
> steve@shift4.com
>
> facebook.com/shift4corp
> twitter.com/shift4corp
> linkedin.com/companies/shift4-corporation
> shift4.com/blog
>
>
> This message contains confidential information and is intended only for
> the individual named. If you are not the named addressee you should not
> disseminate,distribute or copy this e-mail. Please notify the sender
> immediately by e-mail if you have received this e-mail by mistake and
> delete this e-mail from your system. E-mail transmission cannot be
> guaranteed to be secure or error-free as information could be intercepted,
> corrupted, lost, destroyed, arrive late or incomplete, or contain viruses.
> The sender therefore does not accept liability for any errors or omissions
> in the contents of this message, which arise as a result of e-mail
> transmission. If verification is required please request a hard-copy
> version.
>
> -----Original Message-----
> From: Ian Jacobs [mailto:ij@w3.org]
> Sent: Friday, June 23, 2017 6:46 AM
> To: Payments WG
> Subject: Should we make Payment Method Best Practice a WPWG Note?
>
> Hi WPWG,
>
> While we have been working on the other specs I’ve been recording good
> practices notes in:
>
>   Payment Method Best Practice
>   https://w3c.github.io/webpayments/proposals/method-practice/
>
> Now that the PMI spec [1] refers to it, should we take it up officially as
> a WD that will become a WG Note?
>
> I have not reviewed it lately and welcome review by others!
>
> Ian
>
> [1] https://w3c.github.io/webpayments-method-identifiers/
> --
> Ian Jacobs <ij@w3.org>
> https://www.w3.org/People/Jacobs/
> Tel: +1 718 260 9447
>
>
>
>
>
>

Received on Saturday, 24 June 2017 11:15:27 UTC