---
title: "Ralf Spenneberg"
description: ""
url: https://vutuv.de/ralf_spenneberg
username: "ralf_spenneberg"
avatar_url: https://vutuv.de/avatars/015892bc-45d0-7bbf-b582-23128c5bdaa5/ralf_spenneberg-medium-a1c76a28e3ef.avif
type: profile
schema_version: 3
generated_at: 2026-06-29T14:56:04Z
---

# Ralf Spenneberg

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

## Tags

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

## Links

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

## Contact

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

## Phone Numbers

- Work: +49 2552 638755

## Addresses

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