---
title: Detect source code leaks with Data Loss Prevention · Changelog
description: Added source code confidence levels to Data Loss Prevention
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  html: https://developers.cloudflare.com/changelog/2025-01-03-source-code-confidence-level/
  md: https://developers.cloudflare.com/changelog/2025-01-03-source-code-confidence-level/index.md
---

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## Detect source code leaks with Data Loss Prevention

Jan 20, 2025

[Data Loss Prevention](https://developers.cloudflare.com/cloudflare-one/policies/data-loss-prevention/)

You can now detect source code leaks with Data Loss Prevention (DLP) with predefined checks against common programming languages.

The following programming languages are validated with natural language processing (NLP).

* C
* C++
* C#
* Go
* Haskell
* Java
* JavaScript
* Lua
* Python
* R
* Rust
* Swift

DLP also supports confidence level for [source code profiles](https://developers.cloudflare.com/cloudflare-one/policies/data-loss-prevention/dlp-profiles/predefined-profiles/#source-code).

For more details, refer to [DLP profiles](https://developers.cloudflare.com/cloudflare-one/policies/data-loss-prevention/dlp-profiles/).
