I. Introduction
With the development of autonomous driving technology and intelligent connected vehicles, the importance of vehicle safety and information security has become increasingly prominent. Especially in the automotive braking system, any potential failure or safety hazards may pose a serious threat to driving safety. Thus, developing an effective method for real-time monitoring and evaluation of the health status of automobile braking systems is of great importance. Traditional rule-based methods and simple statistical analysis have been difficult to meet the complexity and safety requirements of modern automotive braking systems. Therefore, this paper proposes an innovative deep learning framework, Long Short-Term Gradient (LSTG). It combines Long Short-Term Memory (LSTM) with the Mini-batch Gradient Descent (MGD) strategy, significantly enhancing the performance of health state information security protection for automotive braking systems based on machine learning.