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Technical and Organizational Measures (TOM)

GDPR Art. 32 Compliance Documentation

1. Confidentiality (Art. 32(1)(b) GDPR)

1.1 Physical Access Control

Measure Implementation Status
Data Center IONOS VPS Germany (Frankfurt/Berlin) ✅
Physical Access Secured by IONOS (biometrics, 24/7 monitoring) ✅
ISO 27001 Information Security Management System (ISMS) certified ✅
BSI IT-Grundschutz ISO 27001 on basis of IT-Grundschutz (BSI-IGZ-0730-2025) ✅
BSI C5 Testat Cloud Computing Compliance Controls Catalog (Type 1, Nov 2023) ✅
ISAE 3000 International Standard on Assurance Engagements ✅
ISO 50001 Energy Management System certified ✅
GDPR/DSGVO Full EU data protection compliance ✅
Gaia-X Member for sovereign data handling (EU independence from US CLOUD Act) ✅

1.2 System Access Control

Measure Implementation Status
SSH Access SSH keys only, password login disabled ✅
API Authentication PocketBase admin token required ✅
Dashboard Access Read-only without authentication (aggregated data only) ✅
Admin Access Via Coolify with 2FA ✅

1.3 Data Access Control

Measure Implementation Status
Authorization Concept Least privilege: service only has write access to telemetry collection ✅
API Endpoints Telemetry endpoint: POST only, Dashboard API: GET only ✅
Non-Root Processes Container runs as non-root user ✅

1.4 Separation Control

Measure Implementation Status
Data Separation Separate collections for ProxmoxVE/ProxmoxVED ✅
Network Separation Docker network isolation ✅
Environment Separation Production separated from development ✅

2. Integrity (Art. 32(1)(b) GDPR)

2.1 Transfer Control

Measure Implementation Status
Transport Encryption TLS 1.3 (HTTPS) ✅
Internal Communication Docker internal network ✅
Data Location Server located in EU (Germany) ✅

2.2 Input Control

Measure Implementation Status
Request Validation Strict JSON schema validation ✅
Max Body Size 1024 bytes (prevents oversized payloads) ✅
Error Messages Max 120 characters (prevents log injection) ✅
Audit Logging Failed requests are logged (without IP) ✅

3. Availability and Resilience (Art. 32(1)(b)(c) GDPR)

3.1 Availability Control

Measure Implementation Status
Health Checks /health endpoint with Docker HEALTHCHECK ✅
Auto-Restart Coolify restarts container on crash ✅
Rate Limiting 60 requests/minute per IP (DDoS protection) ✅
Timeout Handling 120s timeout for dashboard queries ✅

3.2 Recoverability

Measure Implementation Status
Data Backup PocketBase SQLite backups via Coolify ✅
Backup Interval Daily ✅
Disaster Recovery Data can be restored from backup ✅

4. Regular Testing and Evaluation (Art. 32(1)(d) GDPR)

4.1 Privacy Management

Measure Implementation Status
Processing Records docs/ROPA.md ✅
Security Policy SECURITY.md ✅
Deletion Concept Automatic deletion after 365 days ✅

4.2 Technical Reviews

Measure Interval Status
Dependency Updates On every build (Go Modules) ✅
Container Updates Alpine base regularly updated ✅
Code Review All changes via Pull Request ✅

5. Privacy by Design / Privacy by Default (Art. 25 GDPR)

5.1 Privacy by Design

Principle Implementation Status
Data Minimization Only technically necessary data is collected ✅
Anonymity No personal data, anonymous session IDs ✅
No IP Storage ENABLE_REQUEST_LOGGING=false ✅

5.2 Privacy by Default

Setting Default Status
Telemetry Opt-in (user must actively consent) ✅
Request Logging Disabled ✅
Data Sharing None ✅

6. Sub-Processors

6.1 Service Providers

Provider Function Location Contract
Hetzner Cloud Infrastructure EU (Germany) DPA in place
Coolify Container orchestration Self-hosted -
GitHub Source code hosting USA EU-US DPF certified

6.2 No Third-Party Sharing

Telemetry data is not shared with external analytics services, advertising partners, or any other third parties.

7. Technical Security Measures in Code

// service.go - Security Headers
w.Header().Set("X-Content-Type-Options", "nosniff")
w.Header().Set("X-Frame-Options", "DENY")
w.Header().Set("Referrer-Policy", "no-referrer")

// Rate Limiting
RateLimitRPM: 60       // Max 60 requests per minute
RateBurst:    20       // Burst limit
MaxBodyBytes: 1024     // Max 1KB request body

// No IP Storage
EnableReqLogging: false

8. Data Breach Response

Step Responsible Timeframe
Detection Automatic (monitoring) or via GitHub Issue -
Initial Assessment Maintainer 24 hours
Supervisory Authority Notification N/A (no personal data) -
Data Subject Notification N/A (no personal data) -
Documentation GitHub Security Advisory 7 days

9. Revision History

Date Version Change Author
2025-02-12 1.0 Initial creation Community Scripts Team

This documentation is updated when significant changes are made to the service.