Breaking Down the Levels of PCI DSS
The Payment Card Industry Data Security Standard (PCI DSS)
helps to ensure that cardholder data is secure, whether in processing the
transaction or storing the credit card number. PCI has been around for
quite a few years, but now more and more merchants are hearing about it.
PCI DSS Merchant Levels
Merchants are divided into four categories:
- Level One: Processing more than six million transactions per year or has had
a security breach with cardholder data compromised
- Level Two: Processing less than six million but more than 150,000 per year
- Level Three: Processing less than 150,000 but more than 20,000 transactions per year
- Level Four: Processing less than 20,000 transactions per year
When version 1.1 was released, it combined all transactions instead of
separating between Visa and MasterCard transactions. Also these
transactions are determined by your company, not per merchant account.
So let's say Merchant Account A is processing 80,000 transactions a year
and Merchant Account B is processing 100,000 transactions a year, you would
be considered a Level Two Merchant.
Level One Merchants
Compliance validation has been required for merchants that process over 6
million (Visa) transactions a year since September 30, 2004. MasterCard
required Level One merchants be compliant by June 30, 2005. An on-site
security audit is also required annually with a network scan every quarter.
Level Two Merchants
Visa required Level Two merchants be PCI compliant by September 20, 2007. MasterCard
is requiring the Level Two merchants be compliant by December 31, 2008.
Level Three Merchants
Both Visa and MasterCard required Level Three merchants to be compliant by
June 30, 2005.
Level Four Merchants
There is no
set date for Level Four merchants. This is determined by your merchant
account provider or the acquiring bank. However, if you are not compliant
and a breach occurs, you can be fined $500,000 or more by the card associations.
If you are compliant and compromised, those fees might be waived or reduced.
It would be in your best interest to become compliant if you have not already.
PCI DSS Version 1.2
Beginning on October 1, 2008, the PCI Security Standards Council released
version 1.2 (see
summary of PCI changes). You can review the
Self-Assessment Questionnaire A and Attestation of Compliance
to help you get started. Typically, Levels Two, Three, and Four Merchants
will need to complete this Questionnaire.




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