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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Credit card storage, hashes, truncation, encrypted data

I'm trying to figure out a way to meet multiple business requirements that don't seem to go well in hand in terms of security: store encrypted card data associated with customer accounts for ...
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192 views

PCI-DSS Is the infrastructure really in-scope?

Say I have an application that takes credit cards, but this is actually a payment gateway on the internet that I don't control. The web site used HTTPS and only returns if the card was authorized or ...
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216 views

Does requiring users to fill out a PDF w/ CC information and mail it back violate PCI compliance?

I'm attempting to place an order with an American company and I reside outside of America. Upon placing the order (and already submitting payment) I received an email asking me to fill out a PDF ...
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PCI - prohibiting direct connections to the Cardholder Data Environment

In PCI 1.3.3 it states: Are direct connections prohibited for inbound or outbound traffic between the Internet and the cardholder data environment? A Cardholder Data Environment (CDE) ...
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818 views

How are HSMs used in payment processing on the server?

I came to know recently that HSMs are used in credit card processing on the server side but since I don't work in that space and stumped as to why its needed. I can see it used in an ATM machine - ...
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281 views

Do we need to use separate IP ?

I want to open and forward SSH port to one of our internal computers. Problem is - it will use the same IP address as PCI-DSS environment (where the HTTPS payment gatway is running) Basically ...
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Can change management for PCI compliance be accomplished via simple emails?

Item 6.4.5 of PCI DSS requires the following: 6.4.5 Change control procedures for the implementation of security patches and software modifications. Procedures must include the following: 6.4....
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356 views

PCI Compliance Problem

My company is trying to become fully PCI Compliant and we are switching our outdated systems to use Authorize.net CIM among other things. But, currently we're all over the place and until our new ...
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81 views

Is there a difference between getting encryption key versus encrypted data from server in terms of security

Suppose we have web and application servers and trying to encrypt credit card information for our financial web application. Communication between web and app servers are secured through SSL/TLS. Lets ...
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69 views

PCI Scope, Tokens, and Processor APIs

A merchant receives a processor provided payment token in response to an authorization from an online order (for the sake of this question assume this part of the process has all its PCI t-s crossed ...
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179 views

PCI Compliance and fines

Our organisation has validated compliance with PCI DSS. What are the consequences to us if we had been breached by a security incident related to credit card information, considering we have validated ...
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For PCI compliance, does every request need to be logged regardless of how it affects system performance?

Our cloud based service is currently undergoing changes with a view towards PCI compliance. It is a high throughput service, and there are concerns that enabling the right amount of logging on our ...
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How to process or manage Key-Encryption-Key using HSM?

Let's consider two Encryption keys: 1.Data-Encryption-Key(DEK) 2.Key-Encryption-Key(KEK) KEK will be securely stored in HSM, which will be encrypted using master key. Data Encryption Key will be ...
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Storing only BIN part of PAN, does this qualify as a full PAN?

We are looking at becoming PCI-DSS complaint. We wish to minimize the impact it will have on us and our business. As this can be a very expensive exercise. As I understand it if you do not store ...
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369 views

Are these merchant integration instructions wrong about server-client interaction?

I'm working with a payment gateway that seems to have a fundamental misunderstanding of "clients" and how to protect sensitive data. The integration instructions are mostly about a "redirect" mode of ...
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76 views

Using browser AJAX to initiate credit card transaction with processor?

Let's say that I have a website where people can make purchases, donations, etc. The entire website is served with https. I store the information regarding the purchases (item, quantity, price) as ...
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43 views

Interaction between cash register and card terminal

A store allows you to join their loyalty club by simply presenting an ID and a credit card. Your identity is somehow linked to your card and automatically registered the next time you pay, no extra ...
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118 views

PCI DSS placement of puppet (or chef) server?

I'm puzzled as to whether I am allowed to set up a puppet server in a PCI DSS environment, and if I am, where should it be located? I was planning on installing it on gateway, and all the hosts would ...
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223 views

Using a CDN to reduce PCI DSS scope

A common scenario for e-commerce credit card types of transactions is a website with a connection to a third party payment processor. For a number of reasons you might not want to use an iFrame or ...
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4answers
91 views

PCI-DSS 3 SAQ - uncertain of level

We are having a debate internally about which SAQ we need to fill in for PCI - our QSA questionnaire says D (and I tend to agree) but company director says SAQ C from reading the guidelines. The way ...
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109 views

PCI DSS 3.0 and card swipe terminals for our merchants

We run an online software service that collects and transmits card transactions for small merchants. They use card swipe terminals connected to their business PCs that direct the traffic straight ...
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101 views

Is HTTPS required for PCI Compliance when downloading desktop software patches, if no PII is transmitted, and content is digitally signed + verified?

We have a desktop app that downloads patch content via HTTP. The content is digitally signed and verified by client software after download. Is HTTPS required to achieve PCI compliance if: No PII ...
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191 views

PCI DSS and ssh keys for root

Referring to this PCI DSS 2.0 and ssh keys I want to ask Is this PCI section 8.2 only for individual users or also valid if a user connects via ssh to a root account? I prefer to ssh root@localhost ...
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180 views

Conversant, CNAME, Cookies, and PCI complaince

We have been asked to evaluate Conversant Tracking. http://www.conversantmedia.com/solutions/enterprise-solutions From what I can tell its pretty straight forward tracking, like google re-marketing, ...
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743 views

Field-level encryption vs disk encryption for PCI compliance

We are in the process of setting up a PCI compliant server (with Firehost's help). We are using MongoDB as our primary database. I am having some concerns about the encryption, though. Are there any ...
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Is PCI Compliance mandatory?

I recently started working on an eCommerce addition to a site I'm working on.In my research looking for a way to do SSL without a certificate/a free certificate I came across PCI Compliance.I have ...
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275 views

After the Cryptoperiod timespan, do we need to encrypt all the data again?

As per PCI-DSS we need to dispose the old keys after the timespan. After the cryptoperiod (lets say one year) time span, do I need to encrypt all (20k card holders) the data once again with the newly ...
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511 views

PCI Compliance Distibution

I run a small e-commerce website hosted on a dedicated server with Debian 6 Squeeze. I need to become PCI compliant (the card industry standard for security). Therefore I have registered with ...
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237 views

Do I need to be PCI compliant?

We have an internal system and I am trying to determine if the system is in scope for the purposes of PCI-DSS compliance. The system is completely internal, no public access. The system hold user ...
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81 views

Internet connection for POS of a Third Part

From time to time, our premises and infrastructure is rented temporally for some conventions/meetings. One of these meetings requires an ordinary POS which would require a phone line or internet ...
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1k views

Are banks required to be PCI compliant?

Since credit card transactions like cash advance can be performed at most ATMs, are banks required to be PCI DSS compliant?
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265 views

HTML 5 postMessage PCI compliant

We're building an application (App-A) that will allow a user to enter credit card information. This application will live on a non PCI compliant zone. We have another application (App-B) that also ...
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1answer
343 views

iPhone Credit Card Payment

I am trying to understand what is the best way to implement a credit card payment flow into a native iPhone app. From what I see on the market, most of the apps use a WebView to process the payment. I ...
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367 views

PCI Scanning and authenticated user pages

I've just used a security vendor's automated PCI scanning tool to scan my web server. It only has the ability, out of the box, to scan URLs as an un-authenticated user. This means it is only ...
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35 views

What is the difference between PCI-DSS compliance and certification?

PCI-DSS compliance and certification appears to be used interchangeably however it isn't clear what the differences are. For example if you are certified does it mean you are compliant and if you ...
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PCI audits, TLS 1.0, and scoring

I'm new to security in a variety of ways. We have a PCI audit coming up soon. We've put together a risk mitigation/migration plan for TLS 1.0 and have submitted it to the auditors. My boss is ...
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PCI DSS 3.1 and Windows XP

I'm looking for some clarification on the effects of PCI DSS v3.1. In an consumer ecommerce context (e.g amazon.com), I'm assuming that customers attempting to make credit card purchases on the site,...
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31 views

What constitutes submitting payment at a different address for PCI-DSS?

I am attempting to use TransArmor PCI Rapid Comply to verify compliance for my small business. At one point, I have two choices: 1) Customers submit payments at a different web address (i.e. ...
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96 views

What is “cardholder data” in PCI-DSS SAQ A context?

The PCI-DSS SAQ-A questionnaire mentions on page iii that SAQ A merchants confirm that, for this payment channel: (...) Your company retains only paper reports or receipts with ...
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175 views

PCI DSS - network design - users connect to internet via proxy; should we place it at the last hop or before firewall?

We need to be PCI compliant. PCI user VLAN is connecting to Internet via proxy, but I need confirmation about the location of the proxy. PCI user traffic flow: PC ==> ASA FW ==> IPS (...
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1answer
241 views

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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171 views

Internal Update Server in PCI environment

I am curious to know if we require separate update server in our cloud based PCI environment. In our current setup webserver, appserver, dbserver, logserver, and jump server are independent instance. ...
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721 views

Internal / external Penetration testing a webserver - PCI

the PCI DSS document states: 11.3.2 Perform internal penetration testing at least annually and after any significant infrastructure or application upgrade or modification (such as an operating ...
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333 views

Normalizing Windows Advanced Firewall rules

How can I best normalize our Windows Advanced Firewall rules while implementing network segmentation? I want them to be as clear and concise as possible for audit purposes. What few examples I've seen ...
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176 views

Security of asymmetrical decrypting proxy

I'm thinking about the safest possible way to store secure data (eg. Credit Card numbers) with a requirement of sending them in clear text to third party API (so hashing doesn't come into play). I've ...
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1answer
124 views

HTTPS iFrame embedded in HTTP page - PCI implications?

I'm currently volunteering at a nonprofit. While researching something unrelated, I noticed that a $sisteragency was using an embedded iFrame to accept online donations. While the frame's source uses ...
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2answers
83 views

How do I prevent extra javascript from being added into HTML kiosk in public space?

I'm planning a project which is to be PCI compliant, but I am stuck on a particular vulnerability and I can't think of a way to protect against it. The scenario is that there is a kiosk installed in ...
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0answers
170 views

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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Advice on if I should talk at my local user group about NIST, InfoSec etc [closed]

I have been toying with the idea for a while now about doing my first talk, on my last project I was building a Risk Management portal for information security so I had to read all about Risk ...
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75 views

How do you back up cardholder data remotely without a network connection?

In the PCI DSS version 3 it says: 1.3.3 Do not allow any direct connections inbound or outbound for traffic between the Internet and the cardholder data environment. But in the event of hard ...