Compliance Documentation and Evidence

Compliance Documentation and Evidence

Maintaining proper documentation is crucial for demonstrating compliance during audits.

// iOS - Compliance documentation system
class ComplianceDocumentationSystem {
    
    // Data Processing Records (GDPR Article 30)
    class ProcessingRecordsManager {
        
        func maintainProcessingRecords() {
            let record = ProcessingRecord(
                controllerInfo: ControllerInfo(
                    name: "Example Corp",
                    contact: "[email protected]",
                    representative: nil
                ),
                purposes: [
                    ProcessingPurpose(
                        description: "User authentication and account management",
                        legalBasis: .contract,
                        dataCategories: ["email", "password_hash", "profile_data"],
                        dataSources: ["user_registration", "profile_updates"],
                        recipients: ["authentication_service"],
                        retention: "Until account deletion + 30 days",
                        transfers: nil
                    )
                ],
                securityMeasures: [
                    "AES-256 encryption at rest",
                    "TLS 1.3 in transit",
                    "Access control with MFA",
                    "Regular security audits"
                ]
            )
            
            // Store record with version control
            DocumentationStore.save(record, version: "2.0")
        }
    }
    
    // Privacy Impact Assessments
    class PrivacyImpactAssessment {
        
        func conductPIA(for feature: Feature) -> PIAReport {
            let assessment = PIAAssessment()
            
            // Systematic description
            assessment.describe(
                feature: feature,
                dataProcessing: feature.dataProcessingActivities,
                purposes: feature.purposes,
                scope: feature.scope
            )
            
            // Necessity and proportionality
            assessment.assessNecessity(
                isNecessary: feature.isEssential,
                alternatives: feature.alternatives,
                proportionality: calculateProportionality(feature)
            )
            
            // Risk assessment
            let risks = identifyRisks(feature)
            assessment.assessRisks(risks)
            
            // Mitigation measures
            let mitigations = proposeMitigations(risks)
            assessment.proposeMitigations(mitigations)
            
            return assessment.generateReport()
        }
    }
    
    // Audit trail management
    class AuditTrailManager {
        
        private let blockchainLogger = BlockchainAuditLogger()
        
        func createImmutableAuditTrail(event: ComplianceEvent) {
            // Create tamper-proof record
            let record = AuditRecord(
                id: UUID().uuidString,
                timestamp: Date(),
                event: event,
                actor: getCurrentUser(),
                systemState: captureSystemState(),
                hash: ""
            )
            
            // Calculate hash including previous record
            let previousHash = blockchainLogger.getLastHash()
            record.hash = calculateHash(record, previousHash: previousHash)
            
            // Store in blockchain
            blockchainLogger.append(record)
            
            // Replicate to secure backup
            AuditBackupService.replicate(record)
        }
    }
}