Demystifying the role of a PCI QSAC

Securious is a Payment Card Industry Qualified Security Assessor Company (PCI QSAC), which means we help our clients achieve and maintain PCI compliance. In this article, we explore what it actually means to be a PCI QSAC, why what we do is important, and the benefits of working with a PCI QSAC. 

Before delving into the role of a QSAC, it’s essential to understand the PCI DSS itself. 

What is PCI DSS?

The PCI DSS is a set of security standards established by major payment card brands, including Visa, Mastercard, American Express, Discover, UnionPay and JCB. Its primary purpose is to provide a comprehensive framework for organisations to protect cardholder data during payment card transactions.

Learn more about PCI DSS by clicking here.

Why is being compliant with PCI DSS important?

Protecting cardholder data

PCI compliance is designed to safeguard sensitive cardholder data, including personal information and payment card details. Compliance ensures that appropriate security measures are in place to protect this data from unauthorised access, theft, or misuse. By adhering to PCI standards, organisations can demonstrate their commitment to maintaining the privacy and security of their customers’ information.

Preventing data breaches

Non-compliance with PCI standards increases the risk of data breaches. Cyber criminals are constantly targeting organisations that process or store payment card data, seeking to exploit vulnerabilities and steal valuable information. PCI compliance helps businesses implement effective security controls and practices, reducing the likelihood of a data breach and the associated financial and reputational damages.

Maintaining customer trust

Clients and customers trust organisations to handle their payment card data securely. Compliance with PCI standards reassures customers that their information is being handled with the utmost care. Demonstrating a commitment to PCI compliance can build customer trust and loyalty, and differentiate a business from competitors who may not prioritise data security.

Meeting legal and regulatory requirements

PCI compliance is not only a best practice but also a legal and regulatory requirement for many businesses. Non-compliance can result in severe consequences, including fines, penalties, legal disputes, and limitations on the ability to process payment card transactions. Compliance ensures that organisations meet their obligations under applicable laws and regulations, avoiding legal and financial repercussions.

Preserving brand reputation

A data breach can have a devastating impact on a brand’s reputation. News of a breach can spread quickly, negatively affecting customer trust and loyalty. By prioritising PCI compliance, organisations demonstrate their commitment to data security and their proactive approach to protecting customer information. Maintaining a strong brand reputation is crucial for long-term success and customer retention.

Partner and vendor requirements

Many organisations, particularly those involved in the payment card industry, require their partners and vendors to be PCI compliant. Compliance demonstrates a business’s ability to meet industry standards and collaborate securely within the payment ecosystem. Being PCI compliant can open doors to new business opportunities and partnerships, while non-compliance can limit growth and hinder collaboration with industry stakeholders.

So what is a PCI QSAC?

A PCI Qualified Security Assessor Company (QSAC) is an independent organisation qualified by the Payment Card Industry Security Standards Council (PCI SSC) to assess an organisation’s compliance with PCI Data Security Standard (DSS). QSACs are trusted companies that assist businesses in evaluating their security posture, identifying vulnerabilities, and providing guidance on how to address them effectively.

What are the responsibilities of a PCI QSAC?

PCI compliance assessments

The primary responsibility of a QSAC is to perform PCI compliance assessments for organisations that process, store, or transmit payment card data. This involves evaluating whether the organisation meets the various requirements of the PCI DSS, such as network security, access controls, encryption, vulnerability management, and more.

Onsite audits

QSACs conduct onsite audits to thoroughly examine an organisation’s security controls, policies, and procedures related to payment card data. They work closely with the organisation’s key personnel, assess the security measures in place, and identify any gaps or areas for improvement.

Report creation

After completing the assessment, the QSAC generates a Report on Compliance (ROC) or can assist you with your Self-Assessment Questionnaire (SAQ), depending on the organisation’s level of compliance validation required. These reports provide a detailed overview of the assessment findings, including any non-compliant areas, recommended remediation steps, and a validation of compliance.

Remediation guidance

A key part of a QSAC’s role is to provide guidance and support to organisations in addressing any security weaknesses or vulnerabilities identified during the assessment. They offer recommendations and best practices to help businesses strengthen their security controls and protect payment card data effectively.

Ongoing partnerships

A QSAC doesn’t merely provide a one-time assessment; they often establish long-term partnerships with organisations to ensure sustained compliance with the PCI DSS. This may involve periodic reassessments, assistance with changes in technology or infrastructure, and staying updated with evolving PCI standards and requirements – such as the introduction of PCI DSS v4.0, which you can read more about by clicking here.

Do you have to engage with a PCI QSAC to be PCI compliant?

While it is possible for some organisations to achieve PCI compliance without directly engaging a PCI QSAC (by performing a Self-Assessment Questionnaire to evaluate compliance), it is important to note that the specific requirements for engaging a QSAC or conducting a self-assessment depend on your level of transaction volume and the specific payment card brands you work with.

The threshold for determining when an organisation has “too many” transactions to self-assess for PCI compliance depends on the payment card brands and their respective requirements. The PCI SSC provides guidelines based on transaction volumes to determine the appropriate compliance validation method.

For example, if an organisation falls under Level 1 Merchant classification, which typically includes merchants with high transaction volumes, they are generally required to undergo an annual on-site assessment by a PCI QSA. Level 1 Merchants typically process over 6 million Visa or Mastercard transactions per year.

Level 2, 3, and 4 Merchants with lower transaction volumes may be eligible to complete a Self-Assessment Questionnaire (SAQ) rather than undergoing an on-site assessment. Level 2 Merchants process between 1 and 6 million Visa or Mastercard transactions per year, while Level 3 Merchants process between 20,000 and 1 million e-commerce transactions annually.

It’s important to consult the specific requirements of the payment card brands and the PCI DSS guidelines to determine the appropriate validation method based on transaction volumes.

If your transaction level falls below the threshold and you aren’t required to engage with a PCI QSAC, the decision of whether or not to work with a QSAC will depend on your resources, the complexity of your infrastructure, and your confidence in your ability to meet the PCI DSS requirements effectively.

Organisations with complex infrastructures, limited resources, or a desire for added assurance often find the benefits of engaging a QSAC outweigh the challenges of self-assessment.

What are the benefits of working with a PCI QSAC?

Expertise and experience

QSACs are PCI DSS experts with in-depth knowledge of the standard’s requirements and industry best practices. They have experience working with a variety of organisations and can provide valuable insights and guidance throughout the compliance process. Their expertise ensures accurate assessments, reduces the risk of oversight or misinterpretation, and will help you implement effective security controls.

Independent validation

Engaging with a QSAC provides independent validation of your compliance with the PCI DSS. QSACs are trusted third-party entities that assess you objectively, increasing confidence in your compliance status. This validation can be valuable when demonstrating compliance to stakeholders, partners, regulators, or payment card brands.

Comprehensive assessments

QSACs conduct thorough assessments, including onsite audits, to evaluate your security controls, policies, and procedures related to payment card data. They identify potential vulnerabilities and provide detailed recommendations for improving security measures. This comprehensive approach can help you identify and address security gaps that may have been overlooked in a self-assessment.

Remediation guidance

QSACs offer guidance and support in remediating any non-compliant areas identified during the assessment. They provide recommendations, best practices, and assistance in implementing necessary security measures. This guidance ensures that you can effectively address vulnerabilities and strengthen your overall security posture.

Advise on related services

A PCI QSAC can help advise you on the latest technologies, services and systems that would be beneficial for your organisation. They understand your business and environment, which means they can make informed recommendations on platforms and technologies you could consider to improve your security and make it easier and more efficient to achieve and maintain PCI compliance. 

Final thoughts 

QSACs are PCI DSS experts with in-depth knowledge of the standard’s requirements and industry best practices. They make achieving PCI compliance easier and more efficient, and they can provide a lot of added value through their understanding of the wider payment card and cyber security industry, their experience with other organisations, and their knowledge of your environment.  

If you are interested in working with a PCI QSAC to achieve PCI compliance, get in touch with Securious using the contact form below, and one of our PCI QSAs will contact you to discuss your situation.