The Best Security Firewall 2023. By allowing only authorized traffic and blocking unwanted traffic, firewalls protect against unauthorized access, malware and other security threats. Web a firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.
The firewall monitors the data transmission between your device and network servers. Web firewall & network protection in windows security lets you view the status of microsoft defender firewall and see what networks your device is connected to. Under privacy & security , select windows security > firewall & network protection.
