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
Wise - Currency exchange Banks and other providers could charge you up to 5% in hidden costs when sending ...
Google Drive - Access and sync your files anywhere
Mercury - Mercury is banking* for startups
Mega - Secure File Storage and collaboration
N26 - The Mobile Bank