Fraud detection method and device, electronic equipment and storage medium

The embodiment of the invention discloses a fraud detection method and device, electronic equipment and a storage medium. The method comprises the steps that multiple pieces of identical composition data related to detection content are acquired, and meta-path modes corresponding to the multiple pieces of identical composition data are different, the same composition data comprises a to-be-detected node, a neighbor node of the to-be-detected node, and a path which is established based on a meta path mode and is used for connecting the to-be-detected node and the neighbor node; inputting the plurality of same composition data into a trained heterogeneous neural network model, and obtaining a representation vector of the to-be-detected node output by the heterogeneous neural network; and inputting the representation vector of the to-be-detected node into a trained detection model so as to detect the to-be-detected node. Through the method, the detection precision of detecting the to-be-detected node can be impr