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PCI compliance is a mandatory security standard for any business that accepts, processes or stores credit card payments, no matter the size. It exists to protect cardholder data and reduce the risk of payment fraud. Failing to meet these requirements can lead to financial penalties, chargebacks and, in serious cases, the loss of your ability to accept card payments.
Every business that accepts card payments is responsible for handling payment data securely, whether transactions happen in person, online or over the phone. Understanding PCI compliance helps clarify what is required to accept card payments safely and ensures your payment systems remain secure and reliable.
The good news is that maintaining PCI compliance is more manageable than it sounds. Using secure payment tools designed to meet PCI DSS requirements helps protect payment data automatically, allowing your business to accept payments confidently without managing complex security controls directly.
PCI DSS applies to any business that accepts credit card payments, regardless of size or transaction volume. Compliance is required by major card networks such as Visa and Mastercard, and payment processors and acquiring banks rely on these standards to ensure payment environments remain secure.
PCI compliance is formally validated through documents such as the Self-Assessment Questionnaire (SAQ) and Attestation of Compliance (AoC), which confirm that your payment systems and procedures meet required security standards. Moneris provides guidance and resources to help merchants understand and complete PCI validation requirements.
PCI DSS protects payment card account data, which includes the card number, cardholder name and expiration date. It also protects sensitive authentication data such as security codes and PIN information used to authorize transactions.
This information must be handled securely and must never be stored improperly. Sensitive authentication data, such as security codes, must never be retained after a transaction is completed.
Secure payment terminals and hosted checkout systems encrypt card data immediately when a card is tapped, inserted or entered online. This prevents sensitive information from being exposed to your POS system, staff or internal network.
For most small and medium businesses, using secure, PCI-compliant payment systems and avoiding manual storage of card numbers significantly reduces risk and simplifies compliance.
For most small and medium businesses, PCI compliance does not mean managing complex security infrastructure directly. Using secure payment terminals, hosted checkout and PCI-compliant payment providers ensures that many of these protections are handled automatically.
PCI DSS organizes its security standards into a set of core requirements designed to keep payment systems secure and cardholder data protected at every stage of a transaction.
PCI DSS includes 12 core security requirements that businesses must follow when accepting credit card payments. These requirements focus on protecting payment data, securing systems and preventing unauthorized access.
For most small and medium businesses using secure payment terminals or hosted checkout, many of these technical security requirements are handled automatically by a payment provider like Moneris.
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PCI DSS Goal |
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What this means for your business |
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Build and maintain secure payment systems |
1 |
Install and maintain network security controls to protect payment systems from unauthorized access |
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2 |
Use secure system configurations and avoid default passwords on payment devices and systems |
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Protect cardholder data |
3 |
Protect stored cardholder data and never store sensitive authentication data improperly |
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4 |
Encrypt card data when it is transmitted over networks |
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Maintain secure systems |
5 |
Protect systems and devices against malware and security threats |
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6 |
Keep payment devices, software and systems updated with the latest security patches |
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Control access to payment data |
7 |
Restrict access to cardholder data to authorized staff only |
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8 |
Assign unique user IDs and secure credentials for anyone accessing payment systems |
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9 |
Restrict physical access to payment terminals and systems |
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Monitor and test security |
10 |
Monitor access to systems and payment data to detect suspicious activity |
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11 |
Test systems regularly to identify vulnerabilities and security risks |
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Maintain security policies |
12 |
Maintain security policies and procedures to protect payment data |
PCI compliance helps ensure your business can continue accepting card payments securely and without disruption. It supports reliable payment processing, protects customer data and keeps payments running without hiccups. Here’s how PCI compliance supports day-to-day operations.
For most small and medium businesses, becoming PCI compliant involves using secure payment systems and completing an annual validation process.
Confirm your payment setup
PCI requirements depend on how your business accepts payments, such as countertop terminals, wireless terminals, Tap to Pay or hosted online checkout.
Secure payment terminals and hosted checkout systems encrypt card data immediately and prevent your business systems from accessing sensitive information. This reduces your compliance scope and simplifies validation.
More complex setups, such as virtual terminals or custom payment integrations, may require additional validation because your systems interact more directly with payment data.
Complete annual PCI validation
Most SMBs maintain PCI compliance by completing a Self-Assessment Questionnaire (SAQ) and submitting an Attestation of Compliance (AoC) each year. These documents confirm that your payment systems and procedures meet PCI DSS requirements.
These documents are submitted to your payment processor or acquiring bank to verify compliance.
PCI compliance is a shared responsibility. Payment providers secure payment infrastructure, encryption and card data processing, while your business is responsible for using approved payment systems, completing validation and following secure operational practices. Check out our guide on the shared responsibilities for merchants for more information.
Use secure payment systems
Secure payment terminals and hosted checkout systems encrypt card data automatically and prevent sensitive information from being exposed to your business systems.
Payment providers handle critical security functions such as encryption, transmission and secure processing. Your role is to use approved systems and follow secure procedures.
PCI compliance is not a one-time task. It’s maintained through consistent use of secure payment systems and simple operational habits that protect card data. Businesses that follow these practices and complete annual validation can continue accepting card payments without disruption.
Moneris helps simplify compliance by securing card data through encrypted payment terminals, hosted checkout and PCI-compliant infrastructure designed for small and medium-sized businesses. This reduces your PCI scope and removes much of the technical burden of protecting payment data.
Our secure payment solutions reduce the amount of sensitive data your business handles directly, making compliance easier to maintain. We also help guide businesses through annual validation, including confirming which Self-Assessment Questionnaire applies to your setup.
And with secure payment solutions and expert support available 24/7 in English and French, Moneris helps your business maintain PCI compliance and accept payments with confidence.
Payment card industry (PCI) compliance means following required security standards when accepting, processing, storing or transmitting credit card information. These standards exist to ensure customer payment data is handled safely and protected from unauthorized access or misuse.
In practical terms, this affects how payments are accepted and how payment systems are configured. Using secure, PCI-compliant payment terminals, POS systems and payment providers helps ensure transactions are processed safely and sensitive card data is protected without requiring businesses to manage complex security measures themselves.
Yes, PCI compliance is required in Canada for any business that accepts, processes or stores credit card payments. The requirement comes from major card networks such as Visa and Mastercard, and it applies regardless of business size or transaction volume.
Businesses that accept card payments must follow the Payment Card Industry Data Security Standard (PCI DSS) to protect cardholder data and maintain secure payment environments. Payment processors and acquiring banks may require proof of compliance, and failure to meet these requirements can result in penalties or restrictions on accepting card payments.
Yes, any business—including small businesses—must be PCI compliant if they accept credit card payments, even if they process only a small number of transactions. PCI DSS requirements apply to all businesses that handle cardholder data, not just large organizations.
Small businesses are often targeted by fraud because attackers may assume fewer security controls are in place. Using secure payment systems designed to support PCI compliance helps reduce risk and makes it easier for small businesses to protect customer payment data.
Failure to meet PCI compliance requirements can result in financial penalties, increased chargeback risk and potential restrictions from payment processors. In serious cases, businesses may lose the ability to accept credit card payments until compliance is restored.
Non-compliance also increases the risk of data breaches, which can lead to financial loss and reputational damage. Maintaining PCI compliance helps protect payment data and ensures businesses can continue accepting card payments securely and reliably.
PCI compliance in Canada follows the same global PCI DSS standards used worldwide. These requirements were created by major credit card networks to ensure businesses protect cardholder data during payment processing.
Canadian businesses must use secure payment systems and follow established security practices when handling payment information. Payment providers operating in Canada often offer solutions designed to support PCI compliance, helping businesses meet security requirements and protect customer data.
PCI compliance can be managed internally, but it requires implementing secure systems, completing compliance assessments and maintaining ongoing security practices. This may include completing a Self-Assessment Questionnaire, maintaining secure networks and protecting payment data.
Many businesses simplify this process by using payment providers that offer PCI-compliant infrastructure and security tools. This reduces the complexity of managing compliance requirements and helps ensure payment systems remain secure and aligned with PCI standards.
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