Patent attributes
Embodiments of the invention are directed to systems, methods, and computer program products for dynamic stepped multi-level authentication. The invention is structured for progressively authenticating transmitted activity processing data over escalating authentication levels using electronic communications between network devices over separate communication channels. Specifically, the invention is structured to authenticate the first activity for a first authentication level based on determining a spatial congruence of the user device and the resource instrument device associated with the first activity. Moreover, the invention is structured to trigger a second authentication level requirement above the first authentication level based on at least the first authentication level and resource activity processing data. In addition, the invention is structured to escalate the authentication of the first activity to the second authentication level based on successful validation of the authentication response provided by the user at the user device.