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
FileInvite - Stop chasing your clients for documents! Easily request files, documents, forms & signatures from your clients – set a due date and save hours as your requests are returned to you effortlessly.
Google Drive - Access and sync your files anywhere
Oracle Bharosa - Oracle Bharosa is a fraud and identity theft control system that helps you combat these problems in your organization.
Mega - Secure File Storage and collaboration
Sanction Scanner - Sanction Scanner is an Anti-Money Laundering compliance software. Sanction and PEP screening service on thousands of Sanction and PEP lists in our AML database.