Regulatory Compliance, Governance and Security

Feb 18 2009   7:53PM GMT

PCI DSS and SAS 70 Audits | Audit Efficiencies? Maybe…just Maybe



Posted by: Charles Denyer
Tags:
payment card industry data security standards (PCI DSS)
PCI DSS
pci dss assessments
qsa
SAS 70
sas 70 audits
sas70

As a SAS 70 auditor and a PCI QSA, i’m often asked about the efficiencies of scale that can be achieved with SAS 70 audits and PCI DSS assessments. I have blogged about this a few times before, so let me be more clear and transparent in what i believe can actually be obtained in regards to audit efficiencies when conducting a SAS 70 and a PCI DSS assessment on an entity.

First and foremost, as an auditor, there should still be independence within the SAS 70 audit and the PCI DSS assessment. Independence how? Simple, do not treat them as one audit, because they are simply not that. Technically speaking, a PCI assessment is just that, an assessment, not an audit, which requires “attestation”. Moreover, there are significant differences between the audit and the assessment, which can be discussed at length (and will be) in a whole different blog.

I stress in the title of this blog that “maybe” there can be audit efficiencies, however, it many times is dependent on the quality of the auditors, their expertise in both conducting a PCI and a SAS 70 audit, and how much they are willing to rely on evidence from the PCI DSS assessment for the SAS 70 audit, and vice versa. Good auditors will find ways to create these efficiencies; other auditors might want to conduct a PCI DSS assessment and rubber stamp a SAS 70-this is a BIG NO NO.

Want to learn more about where these efficiencies of scale can be maximized? To learn more about SAS 70 audits, visit the official SAS 70 Resource Guide and to learn more about PCI DSS Assessments, visit the PCI Resource Guide.

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