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
TravelScope - Interactive worldmap of visa-free travel
Google Drive - Access and sync your files anywhere
Celebrate Immigrant Founders - A directory of immigrant founders
Mega - Secure File Storage and collaboration
Visabot - I help immigrants make America great again!