An acronym for Payment Card Industry (PCI) Data Security Standard (DSS). A set of rules and policies for protecting information related to card based financial instruments.

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Are credit card number look ups more secure with a hash function than with a deterministic encryption algorithm?

I understand PCI DSS 3.0 allows hashes of cardnumbers to be stored separately from encrypted values, but I'm startled at the efficiency of tools like hashcat in discovering card numbers from hashed ...
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81 views

Dealing with credit card data that is not charged directly

I have a client who is a reseller for vacation packages. For years they've had a payment form on their site where the end user would fill out their credit card data and the information is emailed to ...
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Determining PCI DSS SAQ level

I have a b2b SaaS that my clients then use with their own customers to gather data in a face to face scenario with iPads, I would like to expand it to take credit card details. The credit card details ...
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Can you store sensitive app config vars in the environment and be PCI compliant?

Note: this is a cross post from my question on SO. Feel free to keep the one in the more relevant location and close the other. We have a rails app which will be deployed on torquebox/jboss. (This in ...
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How can I determine whether or not a POS terminal violates requirements in the PCI DSS?

The business I work for uses an Equinox Optimum T4220 (hardware number 060001) in dial-out mode. I see two search results1 for "T4220" listed on the PCI SSC's website under Approved PIN Transaction ...
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Test S/KEY support for PCI compliance - CVE-2007-2243

In order for our business to be PCI compliant, we need to prove that we are not vulnerable to CVE-2007-2243. This states that: OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is ...
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PCI Compliance customer data being made available to another system?

Not completely au fait with PCI compliance, however we have our server checked each month by our host to check it is PCI compliant, because we have to keep it PCI Compliant for a specific ...
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OSSEC not detecting deleted files?

I have configured 3 VMs: ossec server and two agents in CentOS 6 and Windows 2k8 R2. I have completed the setup and FIM and Log Management works smoothly. It also reports the new files. However, it ...
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PCI-DSS: Recomendations for Mixed-Mode Virtual Environments

We are PCI-DSS 2.0 compliant. We have three internal networks: GENERAL (workstations, app file servers) workstations can RDP to the PCI servers in order to work on the cardholder data. MANAGEMENT ...