Entrust IdentityGuard Mobile offers robust authentication solutions for secure transactions leveraging smartphones, which users can utilize as one-time-passcode tokens to enhance security without needing additional hardware. The platform includes support for major mobile operating systems and features such as out-of-band verification, customizable authentication branding, and integration with enterprise management systems. This solution not only helps in combating sophisticated fraud attacks like social engineering and malware but also promotes user adoption and operational cost savings.