Free-as-in-beer Microsoft Security Privacy, and Internet Safety Videos You Can Use

Go to https://www.microsoft.com/protect/videos/downloads.mspx and download the free-as-in-beer videos there and bring them inside your firewall (see terms of use) then tell all your users to go watch them.

No, seriously, get your users to watch these. It can help raise their awareness, and did I mention they are free?