---
title: "Ralf Spenneberg"
description: ""
url: https://vutuv.de/ralf.spenneberg
type: profile
schema_version: 2
generated_at: 2026-06-18T14:55:33Z
---

# Ralf Spenneberg

- Verified profile: yes
- Member since: 2016-11-23
- Followers: 4
- Following: 1
- Gender: Male

## Tags & endorsements

- [opensource](https://vutuv.de/tags/opensource) (1 endorsements)
- [security](https://vutuv.de/tags/security) (1 endorsements)

## Links

- [Security](https://os-s.net)
- [Training](http://www.os-t.de)

## Contact

- Other: <ralf@os-t.de>

## Phone Numbers

- Work: +49 2552 638755

## Addresses

- Company: Am Bahnhof 3-5, 48565, Steinfurt, Germany