Services like Dropbox, Box.com, Google Drive, and Skydrive are becoming household names. For Small and Medium sized businesses, they provide advantages like data storage, offsite backup, and remote collaboration. When using public services, there is always the potential of your information being scanned in order to deliver more targeted ad content. There is also the potential of your data being hacked or stolen.
In order to protect yourself, and your confidential data, you should make sure that your files are encrypted. TrueCrypt is a great free application that will allow you to create an encrypted volume. As a Mac OSX user, I prefer to use Knox by AgileBits.
Interested in learning more? The video below will tell you what you need to do.