What is Nightfall used for?

Nightfall is an AI-powered data loss prevention (DLP) platform that helps organizations detect, protect, and prevent the exposure and exfiltration of sensitive data across SaaS applications, endpoints, browsers, and AI agents.

How is user count determined for the DDR plan?

We use the highest user count across your selected apps. For example, if you have 100 users in Slack but 150 in Google Drive, we will consider 150 users.

Can I add more endpoints to the Data Exfiltration Prevention plan?

Yes. The base plan includes 2 endpoints per user. Additional endpoint licenses can be purchased at the same $ per endpoint per year as the per-user price.

Do I need to choose specific apps for the DDR plan?

Yes. You'll select either 3 or all 12+ apps from our supported catalog based on your DLP priorities and budget.

How does the Complete Protection plan save money?

The Complete plan bundles both Data Detection and Response and Data Exfiltration Prevention capabilities at a lower cost than purchasing them separately.

Nightfall

Updated Jul 26, 2026

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#datasecurity#datalossprevention#dlp#aisecurity#compliance

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Editor's Verdict

Rating: 4.3/5.0•Reviewed by RAGWiki

At Contact for pricing (per user/year), Nightfall stands out as a powerful solution in the business landscape. It is especially well-suited for professionals like Chief Information Security Officer (CISO) and Security Engineer. However, potential buyers should note that it might not be perfect if you are strictly trying to avoid pricing not transparent. Overall, it offers a robust toolset that significantly accelerates workflows.

Key Takeaways

Data Detection & Response
Data Exfiltration Prevention
Nyx Autonomous DLP Analyst
AI Agent Security

In-Depth Review: What is Nightfall?

Core Features

Data Detection & Response

Real-time detection and remediation of sensitive data exposure across SaaS apps and email with automated actions like blocking, encrypting, redacting, and revoking access.

Data Exfiltration Prevention

Prevents exfiltration of crown jewel data via endpoints, browsers, and AI apps by blocking uploads, copy/paste, clipboard, print, and USB transfers.

Nyx Autonomous DLP Analyst

AI agent that autonomously investigates threats, optimizes policies, and generates reports through natural language interactions.

AI Agent Security

Controls what AI agents (e.g., Cursor, Claude) access and expose, including MCP server discovery, shadow-MCP detection, and policy enforcement.

Data Discovery & Classification

Scans and classifies data at rest across cloud services to find and remediate years of sensitive data exposure.

AI-Powered Content Classification

Machine learning detectors identify secrets, credentials, PHI, PCI, PII, and custom patterns for accurate classification.

Data Lineage Tracking

AI-powered tracking of data movement from source to destination for complete visibility and audit trails.

Automated Remediation

Automatic response actions such as blocking, encrypting, redacting, quarantining, deleting, or restricting permissions with self-remediation options for end-users.

Integrations with SaaS and Endpoints

Seamless API-based integration with 12+ SaaS apps (Slack, Google Drive, Gmail, Microsoft 365, etc.) and endpoint agents for macOS and Windows.

Shadow AI Prevention

Detects and blocks data leakage to unauthorized generative AI tools (ChatGPT, Copilot, Gemini, etc.) across browsers and endpoints.