The invention relates to the field of anti-telecommunication network fraud, in particular to a novel illegal crime studying and judging method,
system and device based on a telecommunication network and a medium. The method comprises the steps of obtaining case information, and performing multi-dimensional
feature extraction and abnormal
risk type classification; extracting a risk associated
bank card and a third-party collection account from the classified case information, and obtaining an associated case cluster through case
library cross comparison; performing double analysis in the associated case cluster to obtain a preliminary abnormal fund transfer card and an abnormal fund account; and constructing a fund link map for the preliminary abnormal fund transfer card and the abnormal fund account through a fund flow direction tracking technology, and obtaining a research and judgment conclusion. According to the invention, an abnormal fund transfer card or a third-party abnormal fund account in novel crime case information of a telecommunication network can be rapidly and accurately detected, so that a basis is provided for
public security to call fund flow information from a
bank or a third-party
payment company; the problems of slow manual research and judgment, high cost and the like of abnormal fund transfer card display or third-party abnormal fund account display are solved.