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.
Adobe Premiere Pro - Edit video faster than ever before with the powerful, more connected Adobe Premiere® Pro CC.
Dropbox - Online Sync and File Sharing
iMovie - Turn your videos into movie magic.
Google Drive - Access and sync your files anywhere
DaVinci Resolve - Revolutionary new tools for editing, color correction and professional audio post production, all in a single application!
Mega - Secure File Storage and collaboration