Microsoft Defender Antivirus uses the cloud and artificial intelligence powered by next-gen machine learning technologies to rapidly deliver protection against new and emerging malware.

This detection, made possible by cloud-based machine learning, defends against multiple types of emerging malware that perform various malicious actions on your PC.

Understand how malware can get on your PC

Our layered approach to intelligent, cloud-based protection employs a diverse set of machine learning models designed to catch the wide range of threats: from massive malware campaigns to small-scale, localized attacks. Read more: Small businesses targeted by highly localized Ursnif campaign