Made in DACH
Model-agnostic
Privacy-first
AI Prompt Firewall for Builders
Block prompt injection, jailbreaks, and data leaks. Add a safety layer in front of your LLM—without killing velocity.
Why PromptDefender?
Context-Aware Filtering
Analyze system, user, and tool prompts. Neutralize malicious instructions before they reach your model.
Red-Team Evaluations
Policy Engine
Define declarative rules: block, mask, warn, or log. Control your model’s behavior consistently.
Audit & Telemetry
Minimal, GDPR-ready logging. Self-host or cloud deployment—your choice.
The Problem
Prompt injection and jailbreak attacks bypass your guardrails. Sensitive data can be leaked, instructions overwritten, and models manipulated.
- Hidden instructions exfiltrate secrets
- Malicious prompts override safety rules
- Models abused for phishing or malware
Our Solution
PromptDefender adds a protective layer in front of your LLM. Context-aware filters, red-team evaluations, and a declarative policy engine stop attacks before they cause harm.
- Blocks malicious injections & jailbreaks
- Monitors data leakage attempts
- Custom rules for enterprise security
Secure your AI apps today
Join the beta and protect your applications from prompt injection, jailbreaks, and data leaks. Be among the first to ship safer AI.