Contents:– Evaluation of Tourism Ecological Security Based on Driving Force–Pressure–State–Influence–Response Framework and Analysis of Its Dynamic Evolution Characteristics and Driving Factors in Chinese Province Territory; Optimization Algorithm of Tourism Security Early Warning Information System Based on Long Short-Term Memory (LSTM); Equivalence Assessment Method of Forest Tourism Safety Based on Internet of Things Application; Dynamic Prolonged Effects of Crime on Tourism Demand for Thailand National Parks; Exploring Spatial Correlations of Tourism Ecological Security in China; Benign or disordered development? Assessment and Simulation of Security of Highly Aggregated Tourist Crowds in China; Security and Securitization as Topics in Sustainability and Tourism Research; Smart Tourism Technologies’ Ambidexterity; Spatial and Temporal Evolution of Tourism Ecological Security in the Old Revolutionary Region of the Dabie Mountains from 2001 to 2020; Partisan Conflict, National Security Policy Uncertainty and Tourism