Microsoft Security Essentials definitions – Now available via WSUS

Microsoft Security Essentials anti-malware definitions are now available via Windows Server Update Services.

Microsoft Security Essentials is a core anti-malware service for consumers and home-based small businesses that Microsoft released in September of 2009.

This was done because academic institutions around the world, particularly in Asia, provide students with low cost or free internet access and provide students with update services through WSUS.  Many students are protecting their computers with Security Essentials, and the universities requested that the definition updates be provided via WSUS.

With this change, there is a new product family, Microsoft Security Essentials, and product name, Security Essentials in the admin console.

Do note that the addition of this product family and product name is only to accommodate the definition updates for Security Essentials.  This is not a replacement or a rename for any current Microsoft anti-virus product.

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Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.