Expertise

Specialist knowledge for demanding IT topics.

Not every problem fits into a standard package. These topics combine practical IT security, software development and infrastructure experience.

🛡️

IT Security

Security assessments, hardening, risk evaluation, technical measures and clear recommendations.

  • Security assessments
  • System and network hardening
  • Incident evaluation
🧩

Reverse Engineering

Analysis of existing or unknown applications to understand behavior, dependencies and modernization paths.

  • Legacy applications
  • Analysis without full documentation
  • Windows and OS compatibility
🔄

Legacy Modernization

Step-by-step modernization of old software, interfaces and runtime environments instead of risky big-bang replacement.

  • Migration to new systems
  • Stabilization of existing solutions
  • Modernization roadmap
💻

.NET & Web

Development of maintainable applications, APIs, dashboards and internal tools using modern .NET technology.

  • ASP.NET Core / Blazor
  • APIs & integrations
  • Automation
🐳

Docker & Linux

Containerization, reverse proxies, deployment structures, monitoring and operations of small to medium platforms.

  • Docker / Compose
  • Reverse proxy & TLS
  • Monitoring & logging
🌐

Microsoft, Network & Infrastructure

Practical support for Windows Server, Microsoft 365, Active Directory, firewalls, VPN, Wi-Fi and network issues.

  • Microsoft 365 / AD
  • VPN / VLAN / WLAN
  • Analysis & troubleshooting

Technical challenge?

Briefly describe the problem.

I will give an honest assessment of whether I can help and what the next meaningful step is.

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