A childhood friend of mine, who does not have a technology or information security background, recently asked me whether or not apps that promise messages, photos, videos, and anything else sent through them will completely disappear were to be trusted. She referenced several different proclaimed “disappearing messages” apps that are currently available and asked, “So what do you think of these disappearing apps?  The messages are not really gone?” She is responsible for the care of an adult relative, and wanted to be able to communicate with his healthcare providers securely, and to not have any of the communications to linger and had been using one of these apps. (more…)