---
title: "DRM License Cipher SDK 1.3.0"
description: "Implemented new protection mechanisms to prevent PlayReady DRM key extraction in Microsoft Edge on Windows."
---
> For the complete documentation index, see [llms.txt](/llms.txt).

## What's New

### Enhanced PlayReady Security in Windows Edge

- Implemented new protection mechanisms to prevent PlayReady DRM key extraction in Microsoft Edge on Windows.

- Strengthened defenses against unauthorized access to PlayReady license and content encryption key.


---

## Improvements

### Advanced Detection of DRM Key Extraction Tools

- Enhanced security logic to identify and block newly emerging DRM key extraction tools.

- Introduced additional anti-debugging and anti-hooking techniques to prevent unauthorized license interception.