Seems like they've got the security UX down and into a convenient form factor, with a customer list whose judgment I would trust, and I'm going to assume their

Seems like they've got the security UX down and into a convenient form factor, with a customer list whose judgment I would trust, and I'm going to assume their implementations are sound and free of issues. As a security product guy who says, "for all security products, the threat model defines the business model," I have to ask, what's the threat model for this product?