--- title: Change history for device security (Windows 10) description: This topic lists new and updated topics in the Windows 10 device security documentation for Windows 10 and Windows 10 Mobile. ms.prod: w10 ms.mktglfcycl: deploy ms.sitesec: library ms.pagetype: security author: brianlic-msft --- # Change history for device security This topic lists new and updated topics in the [Device security](index.md) documentation. ## March 2017 |New or changed topic |Description | |---------------------|------------| |[Requirements and deployment planning guidelines for Device Guard](device-guard/requirements-and-deployment-planning-guidelines-for-device-guard.md) |Updated to include additional security qualifications starting with Window 10, version 1703.|