🚨 Your Data is Leaking into AI Platforms One Prompt at a Time 🚨

Hey Product Hunt! Lewie Senff here — Security Engineer and founder of PromptShield.

Every day, teams unknowingly paste sensitive data into GenAI platforms: 🔐 PII / PHI 💻 Source code, secrets, API keys 📄 Internal docs and strategy notes

This is Shadow AI — when employees use AI tools like ChatGPT or Claude without security oversight. It’s exploding across enterprises, and the risk is real: data leaks, compliance violations, and fines over $5M.

That’s why we built PromptShield —a data loss prevention (DLP) browser extension for GenAI plaforms.

🛡️ What it Does
✅ Monitors AI input (text + file uploads) before it’s sent
🔍 Detects 150+ types of sensitive data
🚫 Blocks risky prompts, allows business-justified overrides
📊 Admin controls, audit trails, and reporting
⚡ Sub-second analysis with Slack / SIEM / webhook alerts
🌐 Works with 18+ platforms (ChatGPT, Claude, etc.)
🧩 Developer API for custom integrations
⚙️ Installs in seconds via managed Chrome policies — perfect for enterprise rollouts at scale

👥 Who It’s For: CISOs, Security Engineers, Product Teams, Compliance Leaders, Developers, and Founders

Try it free at https://promptshield.cloud — and let us know:
• Is the UX intuitive?
• What would make this a must-have for your team?

Thanks to our early adopters and partners for helping bring PromptShield to life! — Lewie Senff | contact@promptshield.cloud

PromptShield

Data loss prevention for GenAI

Data loss prevention for GenAI