Compliance Framework
PCI-DSS 4.0 Compliance for Small Merchants — Free Gap Analysis
PCI DSS (Payment Card Industry Data Security Standard) is a mandatory security standard for all merchants and service providers that store, process, or transmit cardholder data. PCI DSS 4.0 became mandatory in March 2025, replacing version 3.2.1 with stricter requirements for authentication, e-commerce security, and third-party risk.
Required
for ALL merchants accepting card payments — regardless of transaction volume
PCI Security Standards Council
Readiness Timeline
1–4 months depending on current posture and card processing volume
Typical cost: $5,000–$100,000/month in fines for non-compliance; $1,000–$15,000 for remediation
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Check Your PCI-DSS 4.0 Compliance →
What PCI-DSS Requires
- Complete a Self-Assessment Questionnaire (SAQ) annually — type depends on how you process cards
- Maintain a firewall protecting cardholder data environment
- Encrypt cardholder data in transit (TLS 1.2+) and at rest
- Use and regularly update anti-virus and anti-malware software
- Restrict access to cardholder data to those who need it
- Assign unique IDs to all persons with computer access
- Implement multi-factor authentication for all admin access
- Perform quarterly vulnerability scans by approved scanning vendor
Key Control Requirements
| Area | Requirement |
|---|---|
| Network Security | Firewall configuration, network segmentation, and DMZ protecting cardholder data environment |
| Data Encryption | TLS 1.2+ for all cardholder data in transit; encryption or tokenization at rest |
| Access Control | Least-privilege access, MFA for admin access, unique user IDs, no shared credentials |
| Vulnerability Management | Quarterly external vulnerability scans, annual penetration testing, patch management process |
| Monitoring | Log collection and review for all cardholder data environment access |
How CyberStackHub Helps with PCI-DSS
Our free tools map directly to PCI-DSS requirements, so you can assess your readiness without hiring a consultant.
Maps your controls against PCI DSS 4.0 requirements across all 12 PCI domains
Technical controls assessment: firewall rules, encryption, access controls, vulnerability management
PCI DSS Requirement 12.8 requires oversight of all third-party service providers with cardholder data access
PCI DSS Requirement 12 requires documented security policies — generate PCI-aligned policies
Disclaimer: CyberStackHub provides assessment tools and educational content. Our tools help you identify gaps and prepare for compliance — they do not constitute legal advice or a formal audit opinion. Work with qualified compliance professionals for formal assessments and certification.