PALO ALTO, Calif.--(BUSINESS WIRE)--LiveEnsure®, Inc., a market leader in real-time user authentication, today announced FourSure™, a peer-to-peer app that puts trust, privacy and control of their content back in the hands of users. As a pure mobile app, FourSure allows users to secure any link, file, message, tweet, post, share or content and engage in private, off-grid peer-to-peer chatting with no local or cloud storage, history or archive. Backed by patented authentication technology and a