AMA: Windows Security Event ended

Have questions about how to keep your devices protected and productive end to end? Have suggestions on where we should invest our engineering muscle to take Windows platform security even further? Curious about the capabilities that light up when you move from Windows Pro to Enterprise E3, and from E3 to E5? Come to this Ask Microsoft Anything (AMA) all about Windows security. 

This AMA will not have a video feed, but our speakers will be responding to your comments in discussion below.