公开(公告)号：US20240107316A1

公开(公告)日：2024-03-28

申请号：US18472021

申请日：2023-09-21

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Yongdae Kim ,  Sangwook Bae ,  CheolJun Park ,  Beomseok Oh

IPC: H04W12/71 ,  H04W12/037

CPC classification number: H04W12/71 ,  H04W12/037

Abstract: Disclosed is a method and system for international mobile equipment identity (IMEI) verification and unauthorized terminal detection based on contents of control plane messages exchanged in a process of a terminal that accesses a commercial network in a mobile communication network and the method includes constructing a fingerprint database for each terminal using contents of a control plane message generated in a process of a terminal that accesses a commercial network and a response to the control plane message; and verifying IMEI for an arbitrary terminal that accesses the commercial network using the fingerprint database.