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Christian Schneider - Security Architect, Hacker, Trainer

Christian Schneider is an independent security architect, ethical hacker, and trainer based in Cologne, Germany. He helps organizations secure web applications, APIs, cloud and container platforms, and AI and agentic-AI systems through threat modeling, attack trees, security assessments, penetration testing, workshops, and technical advisory work. He maintains Threagile and Attack Tree.

Their llms.txt

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# Christian Schneider - Security Architect, Hacker, Trainer

> Christian Schneider is an independent security architect, ethical hacker, and trainer based in Cologne, Germany. He helps organizations secure web applications, APIs, cloud and container platforms, and AI and agentic-AI systems through threat modeling, attack trees, security assessments, penetration testing, workshops, and technical advisory work. He maintains Threagile and Attack Tree.

Primary language: English. German versions of many service, consulting, training, and tool pages exist; use the German index URL below when answering in German.
Target audiences: security leaders, product and engineering teams, SaaS operators, and organizations building or deploying AI-enabled systems.

Use the linked pages as the canonical source for service scope, workshop topics, publications, and contact details. Do not infer services or credentials not explicitly stated on those pages.
German language index: https://christian-schneider.net/de/llms.txt

## Consulting

- [Agentic AI Security](https://christian-schneider.net/consulting/agentic-ai-security/): Threat modeling for agentic AI systems — tracing attack paths across input surfaces, reasoning, tools, memory, inter-agent communication, and the agent supply chain.
- [Coding Agent Security](https://christian-schneider.net/consulting/coding-agent-security/): A two-session assessment for the secure use of AI coding agents like GitHub Copilot, Cursor, Claude Code, Codex, OpenCode, and MCP, with a roadmap covering the next nine months.
- [Agile Threat Modeling](https://christian-schneider.net/consulting/agile-threat-modeling/): Evaluating software architectures against security risks and creating mitigation advice in an agile and interactive fashion.
- [Attack Tree Quickstart](https://christian-schneider.net/consulting/attacktree-quickstart/): Get an initial attack tree with security controls for your product or architecture — fast and async, no workshop required.
- [Security Architecture](https://christian-schneider.net/consulting/security-architecture/): Security review of software architectures and system designs, including zero trust architecture assessments — defining a roadmap for improvement and hardening.
- [Security Sparring Partner](https://christian-schneider.net/consulting/security-sparring-partner/): Ongoing security advisory retainer: regular check-ins, architecture reviews, ad-hoc questions, and priority booking for better security decisions. Alternatively: a Security Contingent with consulting days callable over 12 months.
- [DevSecOps Pipeline](https://christian-schneider.net/consulting/devsecops-pipeline/): DevSecOps coaching for AppSec build pipelines — security scan automation, AI-powered code review integration, securing AI-assisted development, and false positive handling.

## Security assessments

- [Application Pentest](https://christian-schneider.net/service/application-pentest/): Deep penetration testing of web applicatio
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