Microsoft's Free Antivirus Hits 2.0

Microsoft Security Essentials has been out for about a year now and recently MS has taken the wraps off the 2.0 version of the product. Deeper integration with Windows Vista and Windows 7 Firewalls and a brand new heuristics engine are under the hood. In testing we have found it to be competitive to other free antivirus offerings and Microsoft has gone a long way to address some of the major shortcomings of the original. Also, Security Essentials is very light on system resources, which is great for older, lower end machines. If you are running with no antivirus or something expired, take a look at Microsoft Security Essentials here