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pci (3)

Don’t Tie Yourself in Knots Thinking you can Store Payment Card Verification Codes/Values

Card Not Present Security Codes/Values are the 3 and 4 digit printed numbers on your payment cards used to verify card-not-present transactions. PCI DSS has been crystal clear for many years that payment Card Verification Codes/Values are Sensitive Authentication Data (SAD) and can't be stored after transaction authorization except by card Issuers. Specifically PCI says:

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Why do some Issuers believe they don’t need to be PCI DSS compliant?

Documents from the PCI Council, MasterCard, and Visa clearly indicate that Issuers are required to be PCI DSS compliant (see Learn More below). Yet many people in the card issuing industry are either unaware or confused about this. None of these requirements are new and many have been in-place for more than a decade. What could be responsible for the confusion? And what does it all mean?

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How a $1200 Graphics Card Threatens Your PCI DSS Compliance and Security | blog,pci,cryptography | Control Gap

Organizations subject to PCI DSS compliance validation spend significant amounts of time, effort, and money to maintain and validate their compliance. So, the idea that a common graphics card can threaten compliance or lead to a compromise may at first seem ridiculous. This article will show you why it is not as ridiculous as it seems, and what you can do about it.

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Another Way 8-Digit Bins Complicate PCI Compliance: It's Not Just Data-at-Rest | blog,pci | Control Gap

The adoption of 8-digit BINs in 2022 has already created many transitional challenges for organizations needing access to the full BIN numbers (see 8-Digit BINs are Just Around the Corner). For entities that must comply with PCI DSS and need access to the full BIN, there are well documented issues with masking, truncation, and DSS scope. Many organizations will focus on their data-at-rest. However, don't overlook the PCI implications of data-in-transit as well.

Update: In December 2021, the PCI DSS truncation rules were changed to mitigated many issues identified in this article, for more details please see https://controlgap.com/blog/8-Digit-BINs-Great-PCI-Truncation-Reset

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PINs, Passwords, and PCI

PINs, Passwords, and PCI

What is the difference between Passwords and Passphrases, PINs, and other authentication factors under PCI DSS? Our team was recently asked for a second opinion on a scenario that seemed like a simple question. When we dug into it, we found some useful but scattered guidance in PCI DSS and its supporting documents . While ambiguity can support flexibility, it can also lead entities astray. PCI's flexibility can sometimes be akin to running with scissors. And this question is no exception.

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