封面故事

天空地融合网络（SAGINs）通过整合轨道卫星、无人机和地面网络，解决了传统网络局限性并提高了网络覆盖和可靠性。然而，天空地融合网络在安全和隐私方面仍面临重大研究挑战, 需要动态适配变化的网络环境，部署安全方法防御网络威胁，确保对网络的持续保护。本期专题重点关注天空地融合网络的安全与隐私问题。

更多内容详见本专题文章：

https://sands.edpsciences.org/component/toc/?task=topic&id=1991

Guest Editorial

Preface: Security and privacy for space-air-ground integrated networks

序言：空天地一体化网络的安全与隐私

Jiangzhou Wang, Yue Gao, Cheng Huang and Haojin Zhu

https://doi.org/10.1051/sands/2024008

Research Article

Information Network

Enabling Space-Air integration: A Satellite-UAV networking authentication scheme

空天融合场景下的卫星与无人机组网认证方案

Sheng Li, Jin Cao, Xiaoping Shi and Hui Li

https://doi.org/10.1051/sands/2023030

Secure and efficient covert communication for blockchain-integrated SAGINs

基于区块链的空天地一体化网络中安全高效的隐蔽通信方案

Weijia Li, Yuan Zhang, Xinyu He and Yaqing Song

https://doi.org/10.1051/sands/2024006

Software Engineering

Static program analysis for IoT risk mitigation in space-air-ground integrated networks

基于静态程序分析的空天地一体化物联网风险降低方案

Haotian Deng, Tao Liu, Xiaochen Ma, Weijie Wang, Chuan Zhang, Huishu Wu and Liehuang Zhu

https://doi.org/10.1051/sands/2024007

Intelligent Transportaion

Privacy-preserving location authentication for low-altitude UAVs: A blockchain-based approach

隐私保护的低空无人机位置认证：一种基于区块链的方法

Hengchang Pan, Yuanshuo Wang, Wei Wang, Ping Cao, Fangwei Ye and Qihui Wu

https://doi.org/10.1051/sands/2024004

Review

Information Network

Securing NextG networks with physical-layer key generation: A survey

使用物理层密钥生成保护NextG网络：一项调查

Qingjiang Xiao, Jinrong Zhao, Sheng Feng, Guyue Li and Aiqun Hu

https://doi.org/10.1051/sands/2023021

Commentary

Industrial Control

Optimal DoS attack on multi-channel cyber-physical systems: A Stackelberg game analysis

多信道网络物理系统最优拒绝服务攻击: Stackelberg博弈分析

Zhuping Wang, Haoyu Shen, Hao Zhang, Sheng Gao and Huaicheng Yan

https://doi.org/10.1051/sands/2023028