I. INTRODUCTION

ACRONYMS

II. RELATED WORK AND OUR SURVEY POSITION

III. SECURITY ISSUES AND THE EVOLUTION OF SECURITY ARCHITECTURE IN LEGACY MOBILE NETWORKS

IV. 6G NETWORK VISION AND POTENTIAL CHANGES OF ITS SECURITY ARCHITECTURE

V. SECURITY IN THE PHYSICAL LAYER

VI. SECURITY IN THE CONNECTION LAYER

VII. SECURITY IN THE SERVICE LAYER

VIII. ARTIFICIAL INTELLIGENCE’S IMPACT ON 6G SECURITY

IX. PRIVACY CHALLENGES AND PRESERVATION APPROACHES

X. DISCUSSION ON FUTURE RESEARCH DIRECTIONS AND OPEN ISSUES

XI. CONCLUSION