Secure Handover Management Against False Base Station Attacks
Abstract
False Base Station attack raises concerns about data privacy during handover process
in 5G networks. Broadcasting of measurement reports unveils the need for security
assessment since a false base station can send a stronger signal to the User Equipment
(UE) to establish a connection with itself. This may cause the leakage of information.
Thus, a fundamental solution is to protect measurement reports with encryption
algorithms. In this paper, we identify the security vulnerabilities of handover process
and simulate a scenario, where a false base station is deployed and UEs can be
connected to it during handover process. To prevent this, we propose a secure
handover scheme to protect measurement reports by using two encryption
algorithms; (i) Advanced Encryption Algorithm (AES)-256, and (ii) Rivest Cipher 4
(RC4) Algorithm. Then, we analyze the computation time and show the secure
connection to a legitimate base station during the handover process.
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