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PCI DSS
September 5, 20252 min readby Mike

PCI DSS Mobile Requirements Checklist 2025

Complete checklist for PCI DSS v4.0.1 mobile application compliance. Essential requirements for payment apps.

PCI DSS v4.0.1 Mobile App Compliance Checklist

Use this checklist to verify your mobile payment application meets PCI DSS requirements.

Data Protection

  • [ ] Cardholder data is never stored unencrypted
  • [ ] PAN is masked when displayed (show only last 4 digits)
  • [ ] Sensitive authentication data is not stored after authorization
  • [ ] Strong cryptography (AES-256 minimum) is used for data at rest
  • [ ] TLS 1.2+ is used for all data in transit

Secure Development

  • [ ] Secure coding guidelines are followed
  • [ ] Code reviews include security checks
  • [ ] All third-party libraries are documented and verified
  • [ ] No known vulnerabilities in dependencies
  • [ ] Source code is stored securely

Authentication

  • [ ] Multi-factor authentication for administrative access
  • [ ] Strong password requirements enforced
  • [ ] Session timeout implemented
  • [ ] Account lockout after failed attempts
  • [ ] Unique user IDs assigned

Network Security

  • [ ] Certificate pinning implemented
  • [ ] No hardcoded API keys or credentials
  • [ ] Secure API endpoints only
  • [ ] Network traffic is encrypted
  • [ ] Proper certificate validation

Mobile-Specific Requirements

  • [ ] Root/jailbreak detection implemented
  • [ ] Debugging is disabled in production
  • [ ] Code obfuscation applied
  • [ ] Anti-tampering measures in place
  • [ ] Secure keyboard for sensitive input

Testing & Monitoring

  • [ ] Penetration testing completed annually
  • [ ] Vulnerability scans performed quarterly
  • [ ] Security logging enabled
  • [ ] Incident response plan documented
  • [ ] Regular security training conducted

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