# Nightfall AI

> Nightfall AI is a San Francisco-based data security company that uses AI-native detection to find and protect sensitive data across SaaS applications, AI tools, and endpoints. It pitches itself as the first DLP and insider risk platform purpose-built for the AI era.

- **Founded:** 2018
- **Headquarters:** San Francisco, California, United States
- **Founders:** Rohan Sathe (Co-Founder & CEO (previously CTO)), Isaac Madan (Co-Founder)
- **Team size:** ~78 employees
- **Products:** Data Exfiltration Prevention, Data Detection & Response, Data Discovery & Classification, Nyx - Autonomous DLP Analyst, MCP & AI Agent Security
- **Notable:** G2 Leader in Cloud DLP, Raised $60.3M total funding through Series B, Backed by board advisors including Kevin Mandia (FireEye) and Enrique Salem (Symantec)

## Products & services

- **Data Exfiltration Prevention** — Stops sensitive data from leaving sanctioned environments via email, uploads, or AI prompts.
- **Data Detection & Response** — Real-time detection and remediation of policy violations across SaaS and cloud apps.
- **Data Discovery & Classification** — AI-powered scanning that finds and tags PII, PHI, credentials, and other sensitive content.
- **Nyx - Autonomous DLP Analyst** — Agentic AI that triages alerts and recommends actions automatically.
- **MCP & AI Agent Security** — Guardrails for emerging AI agents and Model Context Protocol integrations.

## Achievements

- G2 Leader in Cloud DLP
- Raised $60.3M total funding through Series B
- Backed by board advisors including Kevin Mandia (FireEye) and Enrique Salem (Symantec)
- Launched Nyx, an agentic AI DLP analyst
- Coverage in TechCrunch, Forbes, and SC Media

## Latest updates

- **2022-08** — Closed $40M Series B led by WestBridge Capital.
- **2024** — Expanded into AI/LLM data protection and shadow-AI prevention.
- **2025** — Introduced Nyx, an autonomous DLP analyst, and MCP/AI agent security coverage.

## Links

- Website: https://nightfall.ai
- LinkedIn: https://www.linkedin.com/company/nightfall-ai
- Twitter/X: https://twitter.com/NightfallAI
- GitHub: https://github.com/nightfallai
- Instagram: https://instagram.com/NightfallAI
- Facebook: https://facebook.com/NightfallAI

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Profile page: https://yespress.io/nightfall-ai
Published by YesPress — https://yespress.io
Last updated: 2026-05-19