[WindowsCentral.com]

You can manage settings and control virtually any aspect of the Microsoft Defender Antivirus using PowerShell commands, and in this guide, we'll help you get started.
On Windows 10, Microsoft Defender Antivirus (formerly Windows Defender Antivirus) is part of the Windows Security experience, and it provides a robust real-time protection against unwanted viruses, ransomware, spyware, rootkits, and many other forms of malware and hackers.

Full story from the WindowsCentral blog...