# High-Definition Development & Networks GmbH (HDN)

> HDN is a Tyrolean IT company based in Schattwald, Austria. The company supports medium-sized businesses in Tyrol, the Allgau region, Bavaria and the DACH area with IT infrastructure, managed services, cybersecurity, AI and process automation, and custom software development.

HDN combines personal regional support with technical implementation. Core services include networks and Wi-Fi, servers, storage and virtualization, backup and recovery, monitoring, firewalls, building automation and access systems, executive cybersecurity programs, PaulinAI, business process automation, web and application development, and ongoing managed operation.

## Lokale KI: HDN-Multiplexing und LLM-Extensions

HDN develops PaulinAI, a local-first AI workspace. HDN-Multiplexing describes a development approach for coordinating local language models with customer-specific LLM-Extensions. Improved performance is a goal that requires testing, not a proven general superiority claim. Customer-specific training data and extensions must stay in their local customer Hub and must not be reused for other customers. Matching tenant binding, a valid customer-Hub signature and approval are required before loading. These controls must be verified before release.

- https://www.hdn.gmbh/blog/hdn-multiplexing-llm-extensions-paulinai/

## Primary pages
- https://www.hdn.gmbh/
- https://www.hdn.gmbh/en/
- https://www.hdn.gmbh/it-infrastruktur/
- https://www.hdn.gmbh/managed-services/
- https://www.hdn.gmbh/cybersecurity/
- https://www.hdn.gmbh/ki-prozessautomatisierung/
- https://www.hdn.gmbh/paulinai-fuer-unternehmen/
- https://www.hdn.gmbh/softwareentwicklung/
- https://www.hdn.gmbh/about/
- https://www.hdn.gmbh/kontakt/
- https://www.hdn.gmbh/termin/

## IT infrastructure and partner solutions
- https://www.hdn.gmbh/firewall-netzwerksicherheit/
- https://www.hdn.gmbh/ueberwachungssysteme/
- https://www.hdn.gmbh/gebaeudeautomation-zutritt/
- https://www.hdn.gmbh/grommunio/
- https://www.hdn.gmbh/vendoc/

## Cybersecurity services
- https://www.hdn.gmbh/cyber-check/
- https://www.hdn.gmbh/cybersecurity/external-cybersecurity-check/
- https://www.hdn.gmbh/cybersecurity/cybersecurity-assessment/
- https://www.hdn.gmbh/cybersecurity/resilience-program/
- https://www.hdn.gmbh/cybersecurity/ai-governance-check/
- https://www.hdn.gmbh/cybersecurity/incident-readiness/
- https://www.hdn.gmbh/cybersecurity/business-continuity-check/

## Regions
- https://www.hdn.gmbh/it-service-reutte/
- https://www.hdn.gmbh/it-service-tannheimer-tal/
- https://www.hdn.gmbh/it-service-tirol/
- https://www.hdn.gmbh/it-service-allgaeu/
- https://www.hdn.gmbh/it-service-bayern/
- https://www.hdn.gmbh/cybersecurity-bezirk-reutte/
- https://www.hdn.gmbh/cybersecurity-tannheimer-tal/
- https://www.hdn.gmbh/cybersecurity-tirol/
- https://www.hdn.gmbh/cybersecurity-allgaeu/
- https://www.hdn.gmbh/cybersecurity-bayern/
- https://www.hdn.gmbh/ki-automatisierung-ausserfern/
- https://www.hdn.gmbh/ki-automatisierung-tirol/
- https://www.hdn.gmbh/ki-automatisierung-allgaeu/
- https://www.hdn.gmbh/ki-automatisierung-bayern/
- https://www.hdn.gmbh/softwareentwicklung-tirol/

## Company and contact
- High-Definition Development & Networks GmbH
- Kappl 14, 6677 Schattwald, Austria
- office@hd-n.at
- +43 5675 43295
- https://www.paulinai.dev/

## Legal information
- https://www.hdn.gmbh/impressum/
- https://www.hdn.gmbh/datenschutz/
- https://www.hdn.gmbh/agb/