New KB published on Forefront Client Security definition updates

Ever wonder about what FCS clients are actually downloading when they update?   Have you clicked on “File Information” option in WSUS or downloaded a package from the Microsoft Update catalog, seen a long list of update files, and questioned what they were?

For answers to these questions and more see:  https://support.microsoft.com/?id=977939

Thanks,
Craig Wiand
Microsoft Forefront Escalation Engineer