This website doesn't tell me ANYTHING about what Safe actually does. The SVG tour says it "prevents" other people from seeing my data, but given the low compete

This website doesn't tell me ANYTHING about what Safe actually does. The SVG tour says it "prevents" other people from seeing my data, but given the low competence most products have with regard to security, without details, I am never going to trust it. Edit: I found this after installing the app: http://www.getsafe.org/about http://www.getsafe.org/about it has a bit more detail.