PERMISSION MANAGEMENT METHOD, DEVICE AND SYSTEM FOR CLOUD PLATFORM SERVICE

A permission management method, a permission management device, and a permission management system for a cloud platform service are disclosed. The method includes: obtaining an operation/access request of a calling party, wherein the operation/access request includes operation information, target information and session information of the calling party, and the target information of the calling party includes an ongoing session information; determining that the session information includes an initial session information of the calling party and the initial session information is valid; and conducting an permission check for the operation/access request. Thus, the legitimacy of an operation/access request for a cloud platform service can be ensured, and the security of a cloud platform service can be guaranteed.