# BlackSight AI > AI Data Loss Prevention platform. Monitor, block, and control what employees send to AI tools — ChatGPT, Claude, Gemini, and 300+ services. Three deployment modes: browser extension, endpoint agent (Rust MITM proxy), and network gateway device. ## Key Pages - [Homepage](https://blacksight.ai/): Product overview and how it works. - [Features](https://blacksight.ai/features): Feature deep-dive covering browser extension, endpoint agent, and network gateway. - [Pricing](https://blacksight.ai/pricing): Graduated per-user pricing ($7/$6/$5 brackets depending on seat count), free tier for up to 5 users. - [About](https://blacksight.ai/about): Company information and product portfolio. - [Security](https://blacksight.ai/security): Trust center and security posture. - [Blog](https://blacksight.ai/blog): Articles on AI security, DLP, and data protection. - [Partners](https://blacksight.ai/partners): Partner program with 20-30% recurring revenue share. - [Privacy Policy](https://blacksight.ai/privacy): Privacy policy. - [Terms of Service](https://blacksight.ai/terms): Terms of service. ## Product BlackSight AI prevents sensitive data from leaking through AI tools. It covers the full spectrum of employee AI usage with three deployment options: - **Browser Extension** — Inline scanning of prompts before submission. - **Endpoint Agent** — Rust-based MITM proxy on employee devices. - **Network Gateway** — Hardware appliance for network-level enforcement. ## Contact - Email: contact@blacksight.ai - Web: https://blacksight.ai/contact