Systems, methods, and processor-readable media are disclosed to adaptively secure access operations with respect to electronic resources. A request from an endpoint device may be detected, and adaptive authentication may be initiated. Identifiers for the endpoint device may be generated or retrieved. An access-right indicator may be identified to facilitate determination of whether particularized access for electronic resources is to be granted. Initiation of access events by the endpoint device may be detected. Sensor-based data that is based on a first set of sensors capturing phenomena at the endpoint device may be received. A particularized specification of recognized patterns mapped to the access-right indicator may be adaptively developed. A nonconformance of additional data with respect to the particularized specification may be detected. Responsive to the nonconformance, an activation adjustment in sensor operation may be selectively caused, and subsequent sensor-based data may be collected based on the activation adjustment.