Contact

Tell us what you need — we usually reply within a few business days, and a short scoping call is always free.

📨 Write us directly

Prefer the project directly? Open an issue or discussion on GitHub.

Which channel fits

Build AI — jSentinel AI

AI apps, corporate LLMs, RAG systems & personal assistants — built secure by design, self-hosted or EU-cloud.

Consulting & AI-Security

App & Java security, jSentinel integration, audits, and securing existing RAG / LLM systems — a free 30-min scoping call.

Training — Academy

Include team size, format (on-site / live-online) and preferred dates.

Tell us the version you run and the SLA you need.

Report a vulnerability

Please disclose privately — never via public issues.

Open source (bugs & features)

Public issues, discussions and pull requests are welcome.

Reaching out about a person? Sven Ruppert is on sven-ruppert.com, Benjamin Ruppert on LinkedIn. See the About page for who does what.