31 Dec 2026

Varonis is pulling the plug on on-prem. ProLion isn’t.

Learn how to keep your data →
History & company background
Industries
Healthcare

About ProLion

We develop data protection solutions that safeguard critical data and backups, on premises or in the cloud — from ransomware protection that detects threats in real time, to data transparency.

Splunk
Microsoft Sentinel
Elastic
IBM QRadar

Syslog CEF and REST, into the tool you already run

World map. The Sun-colored marks are ProLion customers, densest across Europe and North America and present on every continent except Antarctica. The three white marks are the offices: New York, Frankfurt and Vienna.New YorkFrankfurtVienna

Our customers, around the worldOur three offices: New York, Wiesbaden and Wiener Neustadt

65+
employees, across three entities.
1,000+
organizations keep their data secure with us.
2013
founded in Lower Austria.

Mission

To help the world’s most regulated organizations know, protect and control their data, wherever it lives, so they can move confidently into the AI era.

Vision

A future where no organization has to choose between AI innovation and control of its data.

Our promise to you

  • Your data stays yours
  • Straight answers
  • We know your world
  • There when it counts
  • Confidence to move forward

Let’s solve your data challenges.

Connect with our engineers to find the right approach for your infrastructure.

How it started.

Robert Graf (pictured on the right), an electrical engineer, spent years in sales at NetApp. There he kept hearing the same problem from customers and partners: their most important data lived on NetApp storage, but they had no way to keep it running automatically when something failed, and no way to see who was touching it. In 2013 he founded ProLion to fix that. Today ProLion helps the world’s most regulated organizations know, protect and control their data, wherever it lives.

Robert Graf, on the right, with a colleague in the garage where ProLion started, working on a cut-off saw beside a workbench of parts.

Leadership

Michael Madon

Michael Madon

CEO

Markus Fieler

Markus Fieler

COO

Andrei Simon

Andrei Simon

CTO

Robert Kurz

Robert Kurz

VP of Sales

Daniela Dissauer

Daniela Dissauer

Head of HR & Finance

Asdren Neziraj

Asdren Neziraj

Head of Marketing

Talk to an engineer who knows your data.

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