
PCI DSS compliance is a must for any business that handles credit card information. This includes merchants, service providers, and anyone else who stores, processes, or transmits cardholder data.
The Payment Card Industry Data Security Standard (PCI DSS) applies to all organizations that store, process, or transmit cardholder data, which includes credit card numbers, expiration dates, and security codes.
Any business that accepts credit card payments, whether online or offline, must comply with PCI DSS. This includes e-commerce websites, brick-and-mortar stores, and any other business that processes credit card transactions.
In the US, the PCI DSS applies to all organizations that handle credit card information, regardless of their size or type.
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Who Does PCI DSS Apply To?
PCI DSS applies to any organization that accepts, transmits, or stores cardholder data, regardless of size or number of transactions. If your business receives income from cards, debit, credit, prepaid, etc., you are responsible for PCI compliance, even if everything is outsourced.

The PCI Security Standards Council defines a merchant as any entity that accepts payment cards bearing the logos of any of the five members of PCI SSC, including American Express, Discover, JCB, MasterCard, or Visa. This includes merchants that accept payment cards as payment for goods and/or services.
Here are the different levels of PCI compliance based on the number of card transactions:
PCI DSS also applies to service providers who act as third parties to process, store, or transmit sensitive cardholder data for a merchant. Service providers include web hosting companies, third-party marketing companies, payment processors and gateways, and more.
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Merchants
Merchants are at the forefront of PCI DSS compliance. If your business accepts credit cards from one of the core five credit card companies – American Express, Visa, Mastercard, Discover, and JCB – then you are considered a merchant.
The PCI Security Standards Council defines a merchant as any entity that accepts payment cards bearing the logos of these five members as payment for goods and/or services. This means that even if you outsource everything, you are still responsible for PCI compliance if your business receives income from cards.

Merchants are separated into different levels based on the number of card transactions they process in a year. These levels determine the specific requirements they need to follow to remain compliant. Here's a breakdown of the levels:
Regardless of the level, merchants are expected to adhere to PCI DSS requirements to ensure the security of customer data.
What Is PCI DSS
PCI DSS stands for Payment Card Industry Data Security Standard. It's a set of rules created by the major credit card companies to help keep sensitive payment information safe.
The standard applies to any company that stores, processes, or transmits cardholder data, which includes names, addresses, phone numbers, and especially the 16-digit card numbers themselves.
These rules are not optional, and companies that don't follow them can face fines, penalties, and even loss of their ability to process credit card transactions.
Consider reading: Card Data Covered by Pci Dss Includes
Scope and Coverage
PCI DSS applies to any organization that stores, processes, or transmits cardholder data, regardless of whether that organization develops its payment applications.

Organizations that store, process, or transmit cardholder data must comply with PCI DSS. This includes merchants, banks, and any other entity that handles card information.
Card brands, such as American Express, Discover, JCB, MasterCard, and Visa International, are also involved in PCI DSS. In-scope cards include any debit, credit, and pre-paid cards branded with one of these card association/brand logos.
Here's a breakdown of the two main categories of organizations affected by PCI DSS:
- PCI DSS: Applies to any organization that stores, processes, or transmits cardholder data.
- PA DSS: Applies to software vendors and developers creating payment applications to process payment card transactions.
The Payment Card Brands are responsible for tracking and enforcing PCI compliance on merchants and service providers. They also define the compliance levels for merchants and service providers.
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Compliance Requirements
To be PCI compliant, you must generate revenue from debit, credit, prepaid, or any other type of cards. This means if you're a merchant accepting card payments, you're likely already on the hook for PCI compliance.
If you store, process, or transmit cardholder data, you're also required to be PCI compliant. This includes entities like payment processors, banks, and online retailers.
As a merchant, you might be wondering if you're already compliant. If you're generating revenue from card transactions, the answer is probably no – you still need to take steps to meet PCI standards.
Card Brands and Compliance

The Payment Card Industry Security Standards Council (PCI SSC) works closely with the five major card brands - American Express, Discover, JCB, MasterCard, and Visa International. These card brands are responsible for tracking and enforcing PCI compliance among merchants and service providers.
The PCI SSC creates awareness and adoption of PCI standards, while the card brands define the compliance levels for merchants and service providers. This division of responsibilities ensures that everyone involved in the payment process is working towards the same goal of securing cardholder data.
The card brands also issue penalties for non-compliance, which serves as a strong incentive for merchants and service providers to prioritize PCI compliance. If you're a merchant or service provider who generates revenue from debit, credit, or prepaid cards, you must be PCI compliant, regardless of the card brand involved.
Understanding PCI DSS
The PCI DSS applies to any organization that accepts, transmits, or stores cardholder data. This means that even small businesses or those with a limited number of transactions are affected.
The size of the organization doesn't matter, whether it's a large corporation or a small startup, PCI DSS compliance is required.
Sources
- https://www.hicomply.com/hub/pci-dss-to-whom-does-pci-dss-apply
- https://www.vikingcloud.com/faq
- https://www.zengrc.com/uncategorized/what-is-the-difference-between-pa-dss-and-pci-dss/
- https://pcijourney.com/pci-dss-101/
- https://www.versapay.com/resources/what-is-pci-compliance-advice-for-businesses-looking-to-maintain-a-secure-payment-environment
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