Abstract

6G system is in an active race to be fully deployed by 2030. 6G system is expected to provide ultra-low latency, low power consumption, ultra-high capacity, seamless coverage, high localization precision, massive MIMO (small cell and cell-free) techniques, millimeter- wave (mmWave), and terahertz (THz) bands. The high-performance specifications will enable new technologies within 6G systems. Consequently, these new technologies will significantly impact the security and privacy of the upcoming 6G system. Therefore, novel security techniques (encryption, authentication, privacy-preserving, key agreement, access control, or some fundamental changes must be considered; for instance, distributed mutual authentication protocols are highly needed for some new 6G-based technologies (e.g., HWN), whereas end-to-end security and encryption protocols are essential for some others. Thus, extensive research must be carried out to meet all system/security requirements and ensure the reliability and functionality of the upcoming 6G system.

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