Summary
Microsoft Defender is a key tool in protecting clients against threats. Microsoft Defender Antivirus helps protect your computer from spyware, malware, and viruses. It scans in both in real time as files are used, and can also perform scans on a regular schedule. Windows Defender firewall helps guard against external network threats. It can be configured to only allow known applications and services to communicate over network ports, while blocking other traffic. Firewalls can be configured to use a more strict set of rules on public networks where risk of attacks are higher.