Data security management method and device, electronic equipment and medium

The invention relates to the field of data security management, in particular to a data security management method and device, electronic equipment and a medium, and the method comprises the steps: recognizing data features and basic information of to-be-detected asset data; determining associated asset data of the to-be-detected asset data according to the data features and a preset data flow; determining a target storage node of the to-be-detected asset data in the asset data network according to the associated asset data and the basic information; determining a detection strategy of the to-be-detected asset data based on the node position of the target storage node and the detection mapping relation; performing security detection on the to-be-detected asset data according to the detection strategy, and identifying detection feature information of a detection result in a preset time period; and according to the detection feature information, detecting abnormal features are determined, the detecting abnormal