ISMS Scope
Document ID: ISO-001
Document owner: Jan Marc Castlunger (ISO)
Classification: Confidential
Version: 1.0
Approved: March 2026
Next review: March 2027
Framework: ISO 27001 (4.1, 4.2, 4.3)
1. Organisation
Field
Detail
Legal entity
CTW Data Solutions GmbH
Trade name / Product
Quick-ID (quick-id.com)
Registered office
Germany
CEO / ISO
Jan Marc Castlunger
CTO / DPO
Sebastian Windeck
Employees
4-10
Industry
Identity verification technology / SaaS
Customers
50+ active API customers globally
2. Context of the Organisation (Clause 4.1)
2.1 External Issues
Category
Issue
Impact on ISMS
Regulatory
GDPR / DSGVO — stringent data protection requirements for EU personal data processing
Mandatory DPA compliance, 72h breach notification, DPO appointment, Art. 30 register
Regulatory
BDSG — German federal data protection law supplementing GDPR
Additional requirements for employee data and DPO obligations
Regulatory
EU AI Act (Regulation 2024/1689) — AI systems regulation entering force 2025-2027
Quick-ID's document verification involves automated decision-support; classification assessment required (see Legal Register )
Regulatory
eIDAS 2.0 — EU digital identity framework
Future opportunity; may require additional compliance for EU Digital Identity Wallet integration
Market
Enterprise customers increasingly require ISO 27001 + SOC 2 as procurement prerequisites
Direct driver for ISMS certification; competitive differentiation
Market
Identity verification market is highly competitive with well-funded incumbents
Security posture and certifications are key differentiators
Technology
Rapid evolution of AI/ML capabilities for document fraud
Continuous need to update detection models and security controls
Technology
Cloud provider dependency (Microsoft Azure)
Single cloud vendor risk; mitigated by Terraform IaC portability
Threat landscape
Rising sophistication of phishing, credential theft, and supply chain attacks
Continuous need for security awareness, MFA enforcement, and dependency scanning
Economic
Startup/scale-up environment with limited budget
Prioritisation of security investments; lean ISMS approach
2.2 Internal Issues
Category
Issue
Impact on ISMS
Organisation size
Small team (4-10 employees)
Limited segregation of duties; key person dependency; dual-role holders (CTO=DPO, CEO=ISO)
Work model
100% remote / distributed team
No physical office to secure; BYOD policy required; reliance on cloud-based collaboration
Technical expertise
Deep technical competence in core team (AI, cloud, security)
Enables lean operations but creates key person risk if personnel leave
Key person dependency
Critical knowledge concentrated in CEO (Jan Marc) and CTO (Sebastian)
Documented in risk register (R10); mitigated by runbook documentation
Culture
Engineering-first, security-aware culture
Positive: team is receptive to security controls; challenge: formalising what was previously informal
Growth
Scaling from startup to enterprise-ready SaaS
ISMS must scale with growth; processes need to work at 4 people and at 20+
Infrastructure
Cloud-native, IaC-managed (Terraform), containerised (AKS)
Enables reproducible environments and auditable infrastructure changes
Data sensitivity
Processing government-issued ID documents (passports, ID cards)
Highest data sensitivity category; in-memory-only processing is a key control
3. Scope Statement
The Information Security Management System (ISMS) of CTW Data Solutions GmbH covers:
All information assets, processes, personnel, and systems involved in the development, operation, delivery, and support of the Quick-ID document verification and OCR SDK platform.
This includes the entirety of CTW Data Solutions GmbH operations.
4. Inclusions
Area
Description
Software development
Design, coding, testing, and deployment of the Quick-ID API and SDK
Cloud infrastructure
Microsoft Azure Germany West Central (Frankfurt) — AKS (Kubernetes), Key Vault, Monitor; additional EU regions for non-DACH customers
API management
Customer API key provisioning, authentication, rate limiting, and access control
Data processing
Transient in-memory processing of government ID images and OCR extraction; consent-based error image storage (max 7 days via email)
Employee operations
HR, access management, training, and security awareness
Supplier management
Third-party relationships with Azure, GitHub, and Google Workspace
Customer support
Technical support and incident communication
Compliance
GDPR/DSGVO, contractual obligations, and regulatory requirements
5. Exclusions
Exclusion
Justification
Physical data centre operations
CTW operates as cloud-only (Microsoft Azure); no on-premise infrastructure
Physical security perimeters
No dedicated office facility; employees work remotely or from co-working spaces
Manufacturing or production
Software-only business; no physical goods
6. Interfaces and Dependencies
Interface
Direction
Description
API customers
Outbound
Quick-ID API serves document verification requests globally
Microsoft Azure
Outbound
Primary cloud infrastructure provider
GitHub
Outbound
Source code management, CI/CD pipelines
Google Workspace
Outbound
Internal communication, HR data, documentation
Regulatory authorities (BfDI)
Outbound
GDPR breach notification and compliance reporting
Certification body
Outbound
ISO 27001 audit and certification
7. Applicable Standards and Regulations
Standard / Regulation
Applicability
ISO/IEC 27001:2022
Full compliance — certification target September 2026
SOC 2 Type II
Compliance planned — readiness target Q4 2026
GDPR / DSGVO
Mandatory — processing personal data of EU residents
BDSG
Mandatory — German federal data protection law
EU AI Act (2024/1689)
Applicable — Quick-ID uses AI for document verification; risk classification assessment required
eIDAS 2.0
Future — for EU digital identity market expansion
TTDSG
Applicable — German telemedia data protection (cookie consent, telecommunications privacy)
8. Interested Parties (Clause 4.2)
Party
Expectations
API customers
Secure, reliable API; data protection; compliance certifications
Employees
Secure working environment; clear policies; training
Regulators (BfDI)
GDPR compliance; breach notification; accountability
Certification body
Conformity with ISO 27001:2022 requirements
Shareholders / Management
Business continuity; reputation protection; market access
Suppliers (Azure, GitHub, Google)
Contractual compliance; responsible use of services
9. Review
The ISMS scope is reviewed annually or when significant changes occur to:
Business operations or services
Organisational structure
Technology infrastructure
Legal or regulatory requirements
Interested party expectations
Approved by: Jan Marc Castlunger, CEO / Information Security Officer, CTW Data Solutions GmbH
Date: March 2026
March 9, 2026
March 9, 2026