NMA provides HIPAA-compliant, simple-to-use, ZSentry on-demand services since 2004. Unlike other on-demand offers, NMA ZSentry services can securely use password login, are not limited to web browsers and eliminate data storage liability. NMA ZSentry services are Network Middleware Applications™, creating a communications layer for applications to interact across different environments by means of secure network services. NMA ZSentry services include secure email ZSentry Mail (ZSentry Mail), which is HIPAA compliant and trusted worldwide with millions of secure messages, and works across any operating system (Windows, Mac, Unix) and any platform (desktop, web, mobile).