# Welcome to Nightfall Documentation

Welcome to the Nightfall Documentation – your one-stop shop for all queries related to Nightfall products.

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Data Detection and Response</strong></td><td>Detect and remediate PII, PCI, PHI, and API keys exposed in locations like Slack and GitHub.</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2FS9VmQYbHI8xI6QZnL9ni%2Fsecrets-sprawl-p-500.png?alt=media&#x26;token=58118954-5297-40d8-962c-ae743f590c4f">secrets-sprawl-p-500.png</a></td><td><a href="nightfall_introduction/cloud_dlp">cloud_dlp</a></td></tr><tr><td><strong>Posture Management</strong></td><td>Get real-time visibility into permissions and sharing settings to prevent security posture drift. </td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2F73iJrZOuE6Pjant7QiWV%2Fsafehourd-personal-p-500.png?alt=media&#x26;token=350e0a59-5646-4536-9ff8-f4753b63872f">safehourd-personal-p-500.png</a></td><td><a href="https://help.nightfall.ai/data-security-posture-management">https://help.nightfall.ai/data-security-posture-management</a></td></tr><tr><td><strong>Data Exfiltration Prevention</strong></td><td>See the full lineage of sensitive documents inadvertently or maliciously transferred and take action.</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2FdOUwo5O1pjZj5A47AvSx%2Fdata-ext-p-500.png?alt=media&#x26;token=cd1d79db-81fe-413c-b99d-a95c85f38233">data-ext-p-500.png</a></td><td><a href="https://help.nightfall.ai/data-exfiltration-prevention">https://help.nightfall.ai/data-exfiltration-prevention</a></td></tr><tr><td><strong>Data Encryption</strong> </td><td>AI-Native sensitive data detection and encryption for email.</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2F6verABSH5GxwTOzI9laV%2Fsecure-communication-p-500.png?alt=media&#x26;token=d3c4fe9b-87b6-42ee-bf14-d057397d35c8">secure-communication-p-500.png</a></td><td><a href="https://help.nightfall.ai/data-encryption">https://help.nightfall.ai/data-encryption</a></td></tr><tr><td><strong>Developer APIs</strong></td><td>APIs to filter sensitive data from your GenAI apps, models, and datasets.</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2FIsf4u2NE2YRK3r0kQfQ3%2Fai-firewall-p-500.png?alt=media&#x26;token=6be54a5f-ac8a-4c34-b77b-b44f71a92739">ai-firewall-p-500.png</a></td><td><a href="https://help.nightfall.ai/firewall-for-ai">https://help.nightfall.ai/firewall-for-ai</a></td></tr><tr><td><strong>Data Discovery and Classification</strong></td><td>Scan historic data to detect sensitive data exposed on public platforms.</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2FwH4zdb3WE3WOF6I4ZUKs%2FAudit.png?alt=media&#x26;token=b339f506-a26d-4157-b808-f6fe2628740a">Audit.png</a></td><td><a href="https://help.nightfall.ai/audit">https://help.nightfall.ai/audit</a></td></tr><tr><td><strong>Detection Playground</strong></td><td>Test drive the Nightfall Detection Engine. Scan input text &#x26; files for sensitive data</td><td></td><td><a href="https://2214688951-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Mg3wgFIu8T7XAT1u-f_%2Fuploads%2FKqIDMJmlWr95EnkMz22A%2F66796a830a54a736b233040d_detection-playground-p-500.png?alt=media&#x26;token=8ad71dbf-4528-4120-9b96-df802560d5a4">detection-playground-p-500.png</a></td><td><a href="https://playground.nightfall.ai/">https://playground.nightfall.ai/</a></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.nightfall.ai/welcome-to-nightfall-documentation.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.