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
Tello - Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage.
Google Drive - Access and sync your files anywhere
US Mobile - US Mobile is a platform that offers a wireless network to users for tablets and phones.
Mega - Secure File Storage and collaboration
Ultra Mobile - Ultra Mobile is a platform that offers users unlimited text, talk, and data services to users through its 4G LTE network.