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.
The New Minbox - Organize and collaborate across clouds
Dropbox - Online Sync and File Sharing
Serverless - Toolkit for building serverless applications
Google Drive - Access and sync your files anywhere
Serverless Components - An easier way to build applications with cloud services
Mega - Secure File Storage and collaboration