In the light of the PRISM scandals and the confirmations that governments and authorities are looking into files that are stored in the cloud, we have created a little software called Swarmdesk.
Here is, what is does:
and I have create a video for it. Simple and powerful encryption and secure file exchange for groups. The software targets small and medium businesses, who need to exchange sensitive information with external consultants and advertising agencies (think keyword lists for online advertising, for example) and helps to communicate securely!