User-driven, person-to-person secure file sharing and collaboration is a hot space today with vendors of all shapes and stripes offering solutions to enable these capabilities. These solutions not only facilitate employee-to-employee interactions within the organization, but also employee interactions with external business partners and customers. This is part two in a series of three reports for security and risk (S&R) pros about secure file sharing and collaboration. This report breaks down the vendor landscape to help provide context for S&R pros about this space, in addition to addressing common inquiry questions from S&R pros on the topic and key data security considerations.