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» VIEW ALL POSTS Mar 16 2009   3:21PM GMT

The Rackspace/Mosso PCI Debate



Posted by: JohnMWillis
Tags:
Mosso
pci
Rackspace

A few weeks ago Rackspace made an announcement about hosting the first PCI complaint cloud solution. PCI is short for the Payment Card Industry Data Security Standard, which is a worldwide security standard for merchants who store, process or transmit credit card holder data.   Rackspaces’s Cloudsites (formally called Mosso) was used to enable the online merchant, The Spreadsheet Store , to move to the cloud without having to compromise the security of their online transactions (i.e., PCI compliance).  What should have been a great success story for the Rackspace/Mosso team turned into a little bit of a PR debacle.

Some of the cloud security experts and thought leaders took exception with the Rackspace/Mosso titled “Cloud Hosting is Secure for Take-off: Mosso Enables The Spreadsheet Store, an Online Merchant, to become PCI Compliant”, and they called out Rackspace/Mosso on their bold claim of being the first cloud provider to offer PCI compliancy. Craig Balding, an IT Security Practitioner and cloud expert, was the first blogger to point out in his blog article “What Does PCI Compliance in the Cloud Really Mean?”:

Mosso/Rackspace recently announced they have “PCI enabled” a Cloud Site’s customer that needed to accept online credit card payments in return for goods (i.e. a merchant).

However, the website hosted on Mosso’s Cloud, doesn’t actually receive, store, process, transmit any data that falls under the requirements of PCI.

Or to put it another way, its ‘compliance’ through not actually needing to be…

Craig goes on to say that Rackspace’s “PCI How To” document is just an “implementation of an age-old Internet architecture that involves redirecting customers wishing to pay for the contents of their online basket to an approved and compliant online payment gateway.”

Christopher Hoff, another cloud and security expert, also calls an objection to the aforementioned Rackspace/Mosso PCI hype by stating in his blog, “How To Be PCI Compliant in the Cloud…”, the following:

So after all of those lofty words relating to “…preparing the Cloud for…online transactions,” what you can decipher is that Mosso doesn’t seem to provide services to The Spreadsheet Store which are actually in scope for PCI in the first place!*

The Spreadsheet store redirects that functionality to a third party card processor!

So what this really means is if you utilize a Cloud based offering and don’t traffic in data that is within PCI scope and instead re-direct/use someone else’s service to process and store credit card data, then it’s much easier to become PCI compliant. Um, duh.

Ben Cherian of Ben Cherian’s blog, also goes on to refer to the Rackspace/Mosso antics as a trick when he states the following:

When I saw this, I wondered how it was possible, but as I read closer it became clear that it was just a trick! It seems that their “PCI-compliant” solution requires Mosso not to store any information that requires PCI compliance. Instead they offload the burden of compliance to a third-party payment gateway (Authorize.Net).

However, keeping it real, Greg Hrncir the Director of Operations at Mosso shot back with the following comment on Craig’s blog:

The truth is that we are the first Cloud, that we know of, that enabled its Cloud customers to gain PCI compliance using multiple technologies. The future of Cloud technologies is full of these types of hybrid solutions that combine the best of both worlds. The goal for a customer and online merchant, is to get PCI compliance, not be purist in terms of technology. On line merchants want to leverage the Cloud for scaling, and this is a good way to do it by combining both worlds.

In summary, I think they were all right. Craig, Chris, and Ben were perfectly within bounds to call out the titled Rackspace/Mosso hype and in doing so they all did a brilliant job educating us all on what PCI really means in or outside of a cloud.  However, Greg Hrncir, also points out that what Mosso did was a first-in movement and as a hybrid model they are setting the building blocks for otherwise roadblocked initiatives. In my opinion, what Rackspace has done is significant from a “cloud” industry standpoint; however, being “cloud” leaders they should have used a little bit more discretion in their announcement.  With all the hype already associated with cloud computing it is important for the leaders in this space to keep the discussion a little bit grounded.  However, this reminds me of an old friend of mine, that every time he would get into a fight he would stick his chin out and say “hit me”. In the Mosso/PCI debate it looks like Mosso got hit.

1  Comment on this Post

 
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  • Pmurphy
    I just wanted to say that from a business perspective, Mosso's solution is a perfect fit for us. Truth be told, we previously used a hybrid solution like the one we are using at Mosso with a dedicated server. From our perspective, this was an expensive solution that was not scalable and required us to maintain the server ourselves, as well as pay for excess capacity. While Mosso's solution may not be appropriate for large enterprises, it works for us. The stumbling block we encountered with our desire to move into cloud hosting was passing the vulnerabilty scans. Mosso's platform let us do that. It is true that the technology is not new. I think what is new is that we asked Mosso to "fix" the vulnerabilities found in our ASV scans and they worked with us to do so. They also detailed a specific set of steps for other e-commerce merchants to follow in order to pass the scans and become compliant. Previously, from a business perspective there was a thought that one had to use a dedicated server (even if using a hybrid solution like the one described by Mosso) in order to pass the ASV scans AND allow for some level of scalability and traffic spikes. This solution provided by Mosso let us move from a dedicated solution to a more cost-effective and scalable one. It may not be a new technology but the ability to use some solution other than a dedicated server was new for us from a business standpoint. Best regards, Philip Murphy VP Operations The Spreadsheet Store
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