Mission-Critical IT, Defence Standards & IT Renovation

We protect, rebuild, and operate IT infrastructures that can never afford to fail – from the defence sector to enterprise SMEs.

Mission-Critical IT & Defence Standards

Security and resilience engineered to meet military demands.

Those who master defence IT master any IT challenge. We transfer uncompromising security architectures, physical air-gapping, BSI-Grundschutz hardening, and Zero-Trust principles to commercial enterprises and emergency crisis cases.

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High-Security
Proven Problem-Solving Track Record

Real Crises & Projects – Solved.

No empty promises: How we stopped acute IT disasters, passed enterprise audits, and saved companies from existential downtime.

Renovation & Crisis Intervention

Ransomware Defense & Clean Rebuild

International Security Service Provider (1,000 Employees)
Initial Situation

Over 20 years of legacy IT infrastructure without standardized documentation. Following a heavy ransomware attack, all operations came to a halt for a full week; existing backups were compromised.

What We Did

Full clean rebuild of the entire infrastructure within 48 hours. Comprehensive rollout of VLAN segmentation, Zero-Trust access policies, and a hardened immutable backup architecture adhering to BSI-Grundschutz standards.

Result & Key Metrics

0 minutes of unplanned downtime over the last 48 months. Recovery Time Objective (RTO) reduced from several days to under 45 minutes.

0 Min.
Downtime over 48 months (RTO < 45 min)
Enterprise & Dev Standard

Secure Dev & Hosting Architecture

R&D Environment in Global Energy Sector (Enterprise)
Initial Situation

Strict compliance and security regulations combined with the need for agile, high-performance internal development and hosting infrastructures for the dev division.

What We Did

Architecture, rollout, and operation of an isolated, hardened server and network environment built on GDPR-compliant open-source components (FOSS) and automated management.

Result & Key Metrics

100% audit and GDPR compliance alongside a 40% reduction in ongoing operational expenses compared to proprietary commercial cloud offerings.

100% / -40%
Audit compliance with 40% cost reduction
SOS Disaster Recovery

Cluster Rescue Following Total Outage

IT Service Provider in NRW (90+ Employees, €30M+ Revenue)
Initial Situation

Complete operational standstill: Outdated, failing vSphere/storage cluster, zero system access, customer passwords inaccessible, ordering/shipping stopped, staff sent home, backup NAS defective.

What We Did

24/7 round-the-clock emergency response: SOS recovery of the entire 3-server cluster and 30+ virtual machines. Systematic step-by-step restoration of all core business processes within 10 days, followed by full system hardening.

Result & Key Metrics

€30M+ business operations saved. Full productivity restored after 2 weeks. Minimal data loss (only 1 test VM, immediately recreated). Environment running completely green, stable, and faster than ever before.

€30M+
Business operations secured (30+ VMs rescued)

Our Core Expertise

Defence IT & High-Security

Mission-critical high-security solutions, rugged IT, network separation, and BSI standards for highest protection classes.

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IT Renovation & Crisis Recovery

When legacy systems paralyse your business or an emergency strikes: We resolve legacy debt, execute clean rebuilds, and build a future-proof foundation.

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CIO as a Service & IT Flatrate

Strategic IT executive leadership at C-level combined with seamless all-round managed operations and dedicated direct contact.

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Holistic IT Infrastructure

Future-proof, hardened corporate networks, server clusters, and virtualization platforms.

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OpenSource & Managed Hosting

GDPR-compliant, high-performance cloud and on-premises infrastructures without vendor lock-in.

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Internet of Things (IoT) & AI

Industrial networking, sensors, edge computing, and data-driven process optimization.

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ds6 office

About ds6.eu & Christian Enderle

Behind ds6.eu is Christian Enderle – technical IT manager with over 15 years of deep and broad experience in IT implementation. We don't sugarcoat issues or push cheap pseudo-solutions. We analyze your actual status transparently and deploy robust, battle-tested systems. We live the CG-BOM principle (Consult-Design-Build-Operate-Manage) across SMEs and enterprise corporations with up to 45,000 employees. We are the partner for companies seeking reliable results rather than excuses.

Why ds6.eu? Our Principles.

Honest & Transparent Communication

We do not beat around the bush. We pinpoint vulnerabilities and risks clearly and bluntly – no buzzwords, no excuses.

Stable Solutions Over Cheap Compromises

We do not sell fragile quick-fixes that crumble within months. We engineer solid, robust, and sustainable architectures built to last.

Over 15 Years of Executive & Hands-On Expertise

Proven track record in IT management, infrastructure turnaround, and crisis intervention for organizations from 50 to 45,000 employees.

Mission-Critical Defence Expertise

Uncompromising hardening, physical network separation, and BSI standards engineered to meet military demands.

Your Path in 4 Steps

01

Audit & Analysis

We understand your vision and analyze your current state.

02

Concept Design

Designing a robust and scalable architecture.

03

Implementation

Expert installation and seamless integration.

04

Full Support

Continuous care for a worry-free operation.

Best Practices & Strategy

Our Success Factors (Dos)
Blunt, honest analysis of the actual state & full transparency
Robust, stable architectures over cheap compromises
Proactive hardening and lived BSI baseline protection
Avoid Common Mistakes (Don'ts)
Buying cheap patchwork solutions that fail during emergencies
Sugarcoating vulnerabilities or postponing crucial IT steps
Treating IT security as a one-time superficial project

References & Partners and many more

Manufacturers & Partners

Microsoft
VMware
Ruckus
Cisco
MailStore
Proxmox
Linux
Nextcloud
Sophos
Fortinet
Check Point
Veeam

... and many more, we operate interdisciplinary. All mentioned trademarks and logos are the property of their respective owners and serve only for reference purposes.

References & Customers

Risto Metallverarbeitungs GmbH
medizinisches Labor Ostsachsen
Project Floors GmbH
WERMA
ZF
Siemens Energy (Dev Abteilung)
Prolupin
Nösse Datentechnik GmbH
permanIT GmbH

... as well as many other companies in the EU

Your Fast Contact

Standard business hours: 10 AM - 5 PM (Central European Time - CEST) - however, we are also available for you in emergencies outside these hours.

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