The Benefits and Burdens of PCI SSF: What to Expect with Certification

As secure software development takes center stage, PCI SSF (Software Security Framework) is becoming a critical benchmark for vendors handling payment data. But certification isn’t easy—it involves rigorous testing, detailed implementation guides, and ongoing maintenance. So who should pursue PCI SSF, and what should you expect from the process? In this panel session, Tevora experts Clayton Riness, Austin Theen, and Shane Mayfield break down the benefits and burdens of PCI SSF certification. From understanding eligibility requirements to avoiding common pitfalls like incomplete implementation guides or unencrypted data in memory, the team provides clarity on how to approach certification with confidence.

What You’ll Learn:

• The benefits of getting your payment application listed under PCI SSF
• Which organizations and software types are best suited for certification
• Key elements of SSF that go beyond traditional PCI requirements
• Common roadblocks, from scope definition to memory handling, and how to overcome them
• How ongoing maintenance and version updates work once you’re certified
• What’s changing with PCI SSF v2.0—and how to prepare for the future

Whether you’re building new applications, managing SaaS solutions, or navigating compliance across industries like retail, healthcare, or financial services, this session delivers practical insights into strengthening your software security strategy

The Benefits and Burdens of PCI SSF: What to Expect with Certification

Why PCI SSF Matters More Than Ever

As payment applications continue evolving toward cloud-native architectures, SaaS delivery models, and increasingly complex payment ecosystems, software vendors face growing pressure to demonstrate security and compliance.

To address these challenges, the PCI Security Standards Council introduced the Secure Software Framework (SSF), replacing the legacy PA-DSS (Payment Application Data Security Standard) and providing a more comprehensive approach to payment software security.

In a recent Tevora webinar, Clayton Reiness, Principal Consultant at Tevora, sat down with Austin Theen, Senior Architect, and Shane Mayfield, Senior Consultant and Qualified Security Assessor (QSA), to discuss what organizations should expect from PCI SSF certification, common pitfalls, and how the framework continues to evolve.

The discussion offered practical guidance for software vendors considering certification and organizations evaluating PCI-listed payment applications.

From PA-DSS to PCI SSF: What Changed?

Q: What is PCI SSF, and how does it differ from PA-DSS?

Austin Theen:
The PCI Secure Software Framework consists of two complementary standards:

• Secure Software Standard (PCI SSF)
• Secure Software Lifecycle Standard (Secure SLC)

Together, these standards establish security requirements for payment applications throughout their entire lifecycle—from design and development to deployment, maintenance, updates, and retirement.

Unlike PA-DSS, which focused primarily on the application itself, SSF expands its scope to include the software development practices behind the application.

This creates a more holistic approach to software security and better reflects modern development environments.

Understanding the Two Components

PCI Secure Software Standard

The Secure Software Standard focuses on the payment application itself.

Assessors evaluate whether the application adequately protects:

• Payment card data
• Sensitive authentication data
• Encryption keys
• Critical system assets

The application must demonstrate security across all functions that process, store, or transmit payment information.

Secure Software Lifecycle (Secure SLC)

The Secure SLC standard focuses on the software vendor rather than the application.

Organizations pursuing Secure SLC certification must demonstrate mature development practices, including:

• Secure development processes
• Risk management procedures
• Testing methodologies
• Change management controls
• Vulnerability management practices

Vendors that achieve Secure SLC certification gain greater flexibility when managing application updates and assessments.

Why Pursue PCI SSF Certification?

Q: What are the business benefits of becoming PCI SSF certified?

The primary advantage is trust and marketability.

A PCI-listed payment application provides customers with confidence that the software has undergone a rigorous security evaluation.

Benefits include:

• Increased customer trust
• Reduced PCI DSS compliance burden for customers
• Competitive differentiation
• Eligibility for regulated contracts
• Recognition by acquiring banks and payment stakeholders

In certain industries and public-sector environments, using PCI-listed software may even be a contractual requirement.

For software vendors, certification can be a significant business enabler.

Which Applications Are Eligible?

Not every application falls within the scope of PCI SSF.

However, any commercially distributed software that handles payment data may qualify.

Common examples include:

• Point-of-sale (POS) systems
• Payment gateways
• E-commerce platforms
• Payment middleware
• Financial transaction applications
• Mobile payment applications
• Healthcare payment systems

Importantly, SaaS applications are eligible for certification, provided they meet the program’s requirements.

Applications developed solely for internal organizational use generally do not qualify.

What Does the Assessment Process Look Like?

One of the webinar’s key takeaways was just how thorough PCI SSF assessments have become.

Austin Theen:
The process begins with scoping and determining exactly what components, environments, and processes are involved.

From there, organizations must develop extensive supporting documentation, including an implementation guide that explains:

• Application deployment
• Security configuration
• Operational requirements
• Customer responsibilities

Once preparation is complete, the assessment begins.

Unlike many compliance exercises, PCI SSF involves deep technical validation.

Assessors may perform:

• Memory analysis
• Disk forensic analysis
• Source code review
• Application security testing
• Data handling validation
• Encryption verification

The objective is to ensure sensitive data cannot be recovered, exposed, or manipulated throughout the application’s lifecycle.

How Deep Does PCI SSF Go?

Many organizations assume existing certifications such as SOC 2 or ISO 27001 provide equivalent coverage.

The panel emphasized that PCI SSF operates at a much deeper technical level.

While frameworks such as SOC 2 and ISO 27001 primarily evaluate organizational controls and governance processes, PCI SSF focuses on application security itself.

Examples of SSF-specific activities include:

• Analyzing system memory after transactions
• Identifying remnants of cardholder data
• Evaluating encryption implementations
• Reviewing secure update mechanisms
• Examining application behavior under attack scenarios

The result is a significantly more detailed assessment of payment software security.

Common Certification Challenges

Q: Where do organizations typically struggle?

The panel identified several recurring issues.

Incomplete Implementation Guides

The implementation guide is often underestimated.

Without clear documentation explaining how the product should be deployed and maintained securely, assessments become difficult and delays become common.

Poor Asset Identification

Organizations frequently overlook critical assets and sensitive components within the application environment.

Understanding:

• What data exists
• Where it resides
• How it moves

is fundamental to successful certification.

Assumptions Based on PA-DSS

Some vendors assume that because they previously passed PA-DSS, they will easily pass SSF.

According to Austin, that assumption often proves incorrect.

SSF introduces additional requirements and deeper technical scrutiny than its predecessor.

The Hidden Challenge: Sensitive Data in Memory

One of the more technical challenges discussed involved memory management.

A common issue arises when applications leave unencrypted payment card data in memory longer than necessary.

In some environments, developers may unknowingly leverage immutable objects or programming constructs that prevent sensitive data from being properly cleared.

This can create compliance findings because the data remains accessible after processing should have completed.

Identifying and remediating these issues can significantly extend certification timelines.

How Long Does Certification Take?

The answer depends heavily on the maturity of the software vendor.

According to the panel, timelines typically range between:

• 3–4 months for mature organizations
• 12–18 months for organizations with significant remediation needs

Assessment duration is influenced by:

• Documentation quality
• Development maturity
• Security architecture
• Existing testing processes
• Discovered compliance gaps

The more preparation completed before the assessment begins, the smoother the process tends to be.

Why Secure SLC Certification Matters

For organizations that regularly update their products, Secure SLC certification can provide substantial benefits.

Without Secure SLC certification, software updates often require involvement from an independent assessor.

Organizations with Secure SLC certification, however, may be able to perform portions of the validation process internally.

This becomes particularly valuable for vendors operating in agile development environments with frequent releases.

As Austin explained, vendors making rapid software changes often benefit significantly from obtaining Secure SLC certification early in their compliance journey.

Managing Updates and Ongoing Compliance

Achieving certification is only the beginning.

After listing, applications remain valid for three years.

Software vendors must:

• Submit annual attestations
• Confirm continued compliance
• Report relevant application changes

Updates are categorized into different levels of impact:

Administrative Changes

Minor modifications such as contact information updates.

Low-Impact Changes

User interface or workflow changes that do not affect critical security functions.

High-Impact Changes

Modifications that affect payment processing, security controls, or critical assets.

Higher-impact changes require additional validation and review before updated versions can be listed.

What Happens If Certification Expires?

Allowing certification to lapse can create significant challenges.

Once an application loses its listed status:

• Customers may face compliance concerns
• Business opportunities may be impacted
• Vendors may need to repeat major portions of the certification process

According to the panel, organizations should avoid allowing certifications to expire whenever possible.

Maintaining certification is considerably easier than regaining it after a lapse.

The Future of PCI SSF

The PCI Security Standards Council recently released a request for comment on PCI SSF Version 2.0, indicating that the framework continues to evolve.

Several anticipated improvements include:

• Better definitions of sensitive assets
• More detailed guidance around asset classification
• Additional clarification for modern software architectures
• Enhanced support for cloud-native environments

The panel noted that today’s software landscape looks dramatically different from the environment that existed when PA-DSS was introduced.

Cloud platforms, SaaS applications, and emerging technologies such as AI continue to drive new security considerations.

Future versions of the framework will likely continue adapting to address those realities.

Preparing for Certification: Practical Advice

For organizations beginning their SSF journey, the panel offered several recommendations:

1. Read the Standards Thoroughly

The PCI documentation is publicly available and contains extensive implementation guidance, decision trees, and examples.

2. Perform an Internal Gap Assessment

Before engaging an assessor, compare your application and development processes against the framework requirements.

This helps identify remediation opportunities early.

3. Build Security Into the Development Lifecycle

Organizations should integrate security from the earliest design stages rather than treating compliance as a post-development exercise.

4. Mature Risk Management Processes

Vendors should establish clear, repeatable processes for:

• Asset management
• Vulnerability management
• Change management
• Secure development

Preparation is often the difference between a smooth assessment and a lengthy certification effort.

Key Takeaways

The discussion highlighted several important realities for software vendors:

• PCI SSF is significantly more comprehensive than the legacy PA-DSS standard.
• Certification provides both security assurance and business value.
• The Secure SLC component can dramatically improve efficiency for organizations with frequent software updates.
• Successful certification requires strong documentation, mature development practices, and detailed knowledge of application assets.
• PCI SSF assessments include deep technical evaluations that go beyond traditional compliance frameworks.
• Future versions of the standard will continue evolving to address cloud computing, SaaS applications, and emerging technologies.

For organizations developing payment applications, PCI SSF is increasingly becoming both a security differentiator and a market expectation.

About Tevora

Tevora helps software vendors, service providers, and enterprises navigate complex security and compliance requirements through PCI assessments, Secure Software Framework (SSF) evaluations, penetration testing, incident response, and strategic cybersecurity consulting. With deep expertise across PCI standards and modern application security, Tevora helps organizations achieve certification while building stronger, more resilient products.