---
title: "PDF security in C# | Nutrient .NET SDK"
canonical_url: "https://www.nutrient.io/guides/dotnet/security/"
md_url: "https://www.nutrient.io/guides/dotnet/security.md"
last_updated: "2026-09-22T00:00:00.000Z"
description: "Learn how to protect, clean, and prepare PDF documents for secure sharing with Nutrient .NET SDK."
---

# PDF security in C#

Use Nutrient.NET SDK to prepare PDFs for secure sharing and downstream processing.

## Guides for PDF security

**[Sanitize PDF](https://www.nutrient.io/guides/dotnet/security/sanitize-pdf.md)**

Remove hidden, private, or non-visible data before sharing a PDF.
---

## Related pages

- [Sanitize PDF documents in C#](/guides/dotnet/security/sanitize-pdf.md)