Microsoft is deprecating Defender Application Guard for Office and the Windows Security Isolation APIs, and it recommends Defender for Endpoint attack surface reduction rules, Protected View, and ...

Before adding the extension to your browser, the extension may prompt you to install the Windows Defender Companion app from the Microsoft Store. Even after that, if the extension fails to install, ...

Microsoft Defender Application Guard prevents potentially risky files from accessing trusted system resources. It opens untrusted documents in an isolated environment with hardware virtualization. It ...

Alongside of the announcement of Windows 10 Insider Preview build 18358 in the Fast ring, Microsoft announced that it's releasing a Windows Defender Application Guard extension for Chrome and Firefox.