PCI DSS and Logging

The Payment Card Industry (PCI) Data Security Standard (DSS) is an information security standard for organizations that handle branded credit cards from major card providers (e.g., Discover, Visa, AMEX, MasterCard). While mandated by the card providers, it's administered by the PCI Security Standards Council and aims to ensure organizations processing cardholder data maintain secure environments.

The framework is built around six goals and twelve requirements:

Goal	DSS Requirements
Build and Maintain a Secure Network and Systems	1. Install and Maintain Network Security Controls 2. Apply Secure Configurations to All System Components
Protect Account Data	3. Protect Stored Account Data 4. Protect Cardholder Data with Strong Cryptography During Transmission Over Open, Public Networks
Maintain a Vulnerability Management Program	5. Protect All Systems and Networks from Malicious Software 6. Develop and Maintain Secure Systems and Software
Implement Strong Access Control Measures	7. Restrict Access Based on Business Need-to-Know 8. Identify and Authenticate Users 9. Restrict Physical Access to Cardholder Data
Regularly Monitor and Test Networks	10. Log and Monitor All Access to System Components and Cardholder Data 11. Test Security of Systems and Networks Regularly
Maintain an Information Security Policy	12. Maintain a Policy That Addresses Information Security

The PCI DSS requirement Trunc directly supports is #10 – Log and Monitor All Access to System Components and Cardholder Data. Logging is critical not just for compliance but for visibility, alerting, and forensic investigations.

PCI and Log-Monitoring Requirements

Requirement 10 includes detailed expectations:

Requirement	Sub Requirements
10.2 Audit logs support detection of anomalies and forensic analysis	10.2.1 Audit logs enabled on all system components and cardholder data 10.2.2 Logs record user ID, event type, date/time, success/failure, event origin, affected systems
10.3 Logs are protected from destruction and unauthorized modification	10.3.1 Restrict read access to job-related personnel 10.3.2 Prevent unauthorized modifications 10.3.3 Back up logs securely and centrally 10.3.4 Implement file integrity monitoring (FIM)
10.5 Retain and make logs available for analysis	10.5.1 Retain 12 months of history; 3 months immediately accessible

How Trunc Supports PCI Logging Requirements

Trunc simplifies PCI compliance by providing a centralized platform for collecting, storing, and analyzing logs across your infrastructure. With built-in safeguards to ensure log integrity and access control, Trunc acts as your system of record—ensuring logs remain secure, unaltered, and accessible when needed.

Whether you're preparing for an audit or investigating an incident, Trunc ensures your logging process is compliant, resilient, and efficient.

Key PCI-Aligned Features:

• ✅ Centralized, tamper-evident log storage
• ✅ Role-based access to log files
• ✅ Real-time ingestion and alerting
• ✅ File Integrity Monitoring (FIM) support
• ✅ 12+ month log retention with instant access to recent 90 days