Berlin

November 4 & 5, 2024

New York

September 4 & 5, 2024

London

June 16 & 17, 2025

Markus Holtermann

Markus Holtermann works as a back-end and infrastructure engineer at Crate.io. For a decade, he has been a member of several Open Source communities and gained experience in communication, community management, engineering, and security by taking on various tasks.

Markus Holtermann works as a back-end and infrastructure engineer at Crate.io. For a decade, he has been a member of several Open Source communities and gained experience in communication, community management, engineering, and security by taking on various tasks. Markus has been a project lead at the German ubuntuusers.de community support platform, he is a member of the security team for the Django web framework, as well as an organizer and advisor for DjangoCon conferences. In his free time, Markus is a hobby photographer.

Handling security issues as an engineering team

We live in a world of technology and engineering. Almost everything around us requires software. Unfortunately, the software we use or build has bugs. While most bugs can be fixed, there are these other types of bugs, called vulnerabilities, that cause headaches and haunt us at night.

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