Box.com for salesforce Communities

The box.com for salesforce communities allows you to embed your box.com application within your salesforce community to allow for easy exchanging of files with your clients or partners

Embed Box.com in salesforce community
The box.com for salesforce communities allows one to have box.com embedded in a community page

File Privacy
Box.com for salesforce communities allows a customer or partner to have access to their own secure folder, without compromising the visibility of box.com.  You can choose to have the standard box.com embed with full navigation or a custom embed.