For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
Cloudreach Services - As the leading cloud solutions provider, we’ve always done things differently. Across our outcome-driven consulting and managed services, it’s our software, our application focus and our cloud culture that makes the difference.
Google Drive - Access and sync your files anywhere
2nd Watch - 2nd Watch is the Managed Cloud Services provider for public cloud.
Mega - Secure File Storage and collaboration
BloombergView - A new consumer-focused and mobile-friendly opinion site