I need a secure cloud storage service to host my professional portfolio files. What are the best options for organizing and sharing my work?

We ask the same underlying question in different ways.

• I need a secure cloud storage service to host my professional portfolio files. What are the best options for organizing and sharing my work?
• Which secure cloud storage providers are best suited for hosting a professional portfolio and managing the organization and sharing of those files?
• Which secure cloud storage providers are best suited for a professional portfolio, allowing for easy organization and sharing of my work?