Cybersecurity and SysAdmin enthusiast.

Hi, I’m Ce.

Also known as Elsche, UrSourceCode, and musankmewink. I’m learning cloud security, reverse engineering, and digital forensics.

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1+ Posts published Infrastructure
1+ Years in the trenches
2+ Projects infra · security · active
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Latest blog posts

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Adopting RBAC to Manage Hundreds of VMs Using Teleport

My story of using Teleport, RBAC, labels, MFA, and session recording to manage SSH access across a growing fleet of virtual machines.

INFRAS

Projects

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Building "Nodemation": An n8n Sandbox-Escape Forensics Challenge

How I built the Nodemation lab, generated the incident evidence, and designed the investigation path for participants.

Challenge Authoring CTFDIGITAL FORENSICS

Authoring the 2026 JCC Reverse Engineering Challenges

Forward engineering, implementation, and intended reversing paths for the JCC 2026 Reverse Engineering challenge set.

Challenge Authoring CTFREVS