Microsoft has released Microsoft Security Essentials (MSE) 2.0 adding Windows Firewall integration and network traffic inspection.
Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. ISupported Operating Systems:Windows 7;Windows Vista;Windows XP
MSE is free for home users and free for small businesses with 10 PCs or fewer.
Download and info: http://www.microsoft.com/security_essentials/
