DKG V8 Security Implementation

Overview

This document outlines the security measures implemented in the SKYT platform’s integration with DKG V8, focusing on data protection, access control, and secure document management.

Data Protection Framework

Private Data Handling

  • Incorporates data protection techniques from NGI-funded OpenPKG project
  • Encrypted storage of sensitive trade information
  • Secure document transfer protocols
  • Protection of proprietary business data

Access Management

  • Edge-node data includes precise access permissions
  • Granular control by data owners
  • Role-based access control (RBAC)
  • Jurisdiction-specific data protection compliance

Permission Management

Token Holder Access

  • Limited visibility based on token ownership
  • Access to verified public data
  • Tracking capabilities for relevant transactions
  • Smart contract-based permission management

Trading Partner Access

  • Full access to relevant transaction documents
  • Real-time status updates
  • Secure communication channels
  • Time-bound access controls

Regulatory Access

  • Customs authority specific views
  • Compliance documentation access
  • Audit trail visibility
  • Jurisdiction-based data access

Document Security

Document Validation

  • Digital signature verification
  • Hash-based document integrity checks
  • Version control and audit trails
  • Tamper-proof storage in DKG

Secure Storage

  • Distributed storage across DKG nodes
  • Encryption at rest and in transit
  • Backup and recovery mechanisms
  • Geographic data residency compliance

Authentication and Authorization

Token-based Authentication

  • Secure token generation and management
  • Token expiration and renewal processes
  • Multi-factor authentication support
  • Session management and monitoring

Service Account Management

  • Dedicated service accounts for system integration
  • Limited-privilege principle enforcement
  • Regular access review and rotation
  • Audit logging of service account activities

Smart Contract Security

Access Control Implementation

  • Permission verification in smart contracts
  • Token-based access control
  • Multi-signature requirements where applicable
  • Time-locked permissions

Transaction Security

  • Secure payment trigger mechanisms
  • Document verification before execution
  • Transaction rollback capabilities
  • Event logging and monitoring

Regulatory Compliance

Data Privacy

  • GDPR compliance measures
  • Data minimization principles
  • Right to erasure implementation
  • Privacy by design approach

Geographic Considerations

  • Region-specific data handling
  • Compliance with local regulations
  • Cross-border data transfer controls
  • Data residency requirements

Monitoring and Audit

Security Monitoring

  • Real-time threat detection
  • Anomaly identification
  • Access pattern analysis
  • Security event logging

Audit Trails

  • Comprehensive activity logging
  • Document access tracking
  • Permission change history
  • Transaction audit trails

Incident Response

Security Incident Handling

  • Incident detection procedures
  • Response protocol implementation
  • Stakeholder notification process
  • Recovery and remediation plans

Business Continuity

  • Failover procedures
  • Data backup strategies
  • Service restoration protocols
  • Communication plans

Best Practices

Data Structure Security

  • Schema validation
  • Input sanitization
  • Output encoding
  • Secure serialization

Network Security

  • Encrypted communications
  • Secure API endpoints
  • Rate limiting
  • DDoS protection

Access Control Best Practices

  • Regular permission reviews
  • Least privilege principle
  • Access revocation procedures
  • User activity monitoring

Security Updates and Maintenance

Regular Updates

  • Security patch management
  • Vulnerability assessment
  • Penetration testing
  • Security control reviews

System Hardening

  • Node security configuration
  • Network security measures
  • Application security controls
  • Infrastructure protection

Future Security Enhancements

Planned Improvements

  • Advanced encryption implementation
  • Enhanced authentication methods
  • Improved audit capabilities
  • Automated security testing

Scalability Considerations

  • Security measure scaling
  • Performance optimization
  • Resource management
  • Capacity planning