Under the hood of Microsoft Security Essentials is its award-winning protection engine that is updated regularly. The engine is backed by a team of antimalware researchers from the Microsoft Malware Protection Center, virus removal & providing responses to the latest malware threats 24 hours a day.

When you install Microsoft Security Essentials by Microsoft support, the installation wizard verifies that Windows Firewall is turned on. If you have intentionally turned off Windows Firewall, you can avoid turning it on by clearing a check box. You can change your Windows Firewall settings at any time via the System and Security settings in Control Panel.

Microsoft Security Essentials includes the following new features and enhancements to better help protect your PC from threats-

Windows Firewall integration: You can turn Windows Firewall on or off using Microsoft Security Essentials.

Network inspection system:  This feature enhances real-time protection by inspecting network traffic to help block exploitation of known network-based vulnerabilities.

New and improved protection engine: The updated engine offers enhanced detection and cleanup capabilities with better performance.