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.
Flixier - Flixier Pro is an online video editor that speeds up your workflow with 1 minute rendering on any device, streamlined communication and collaboration features and plenty of cloud storage.
Dropbox - Online Sync and File Sharing
Spark Camera - Make memorable videos
Google Drive - Access and sync your files anywhere
Showbox - Showbox helps you to create studio quality video in minutes.
Mega - Secure File Storage and collaboration