Satellite and Space Communication Systems SecurityMövzu planı

This topic examines radio-frequency jamming attacks targeting communication and navigation systems in electronic warfare environments, including their operating principles and effects. Frequency-hopping spread spectrum (FHSS) and direct-sequence spread spectrum (DSSS) technologies are comparatively analyzed in terms of their resistance to interference. The topic also explores the application of adaptive antenna systems, beam steering mechanisms, and signal processing techniques in anti-jamming defense.

This topic analyzes the nature, types, and potential consequences of spoofing attacks against GNSS/GPS navigation systems, which involve the generation and transmission of counterfeit signals. Methods for verifying navigation data authenticity, cryptographic signal authentication, and spoofing detection are studied. The operating principles of authentication mechanisms such as Galileo OSNMA are examined, along with the evaluation of spoofing detection algorithms based on signal strength, timing, movement trajectories, and other indicators.

This topic covers the design of cryptographic infrastructure that ensures the confidentiality, integrity, and authenticity of data in space communication systems. It examines the use of symmetric and asymmetric cryptographic systems, as well as mechanisms for generating, distributing, storing, updating, and revoking cryptographic keys. Students develop knowledge and skills in selecting lightweight cryptographic algorithms for spacecraft with limited computing and power resources, designing secure protocols, and evaluating their resilience.

This topic addresses the principles of designing protocols that ensure secure data exchange between ground control centers and spacecraft or satellites. Security requirements for telemetry, tracking, and command (TT&C) channels are studied, including data integrity, source authenticity, and confidentiality. The topic analyzes the establishment of secure communication sessions, message authentication, prevention of replay attacks, and the design of mechanisms resilient to communication interruptions.

This topic examines the standards of the Consultative Committee for Space Data Systems (CCSDS) and their role in securing space communication systems. Security requirements for transmitting space data are explored, including authentication, integrity, confidentiality, and protection against replay attacks. The architecture, functional capabilities, limitations, and implementation prospects of the Space Data Link Security (SDLS) protocol are critically analyzed. The adaptation of these standards to different space systems is also considered.

This topic covers the principles of protecting satellite command and control infrastructure against cyber and physical threats. Mechanisms for preventing unauthorized access, implementing multi-factor authentication, managing access privileges, and verifying the authenticity of control commands are studied. The topic analyzes vulnerabilities in onboard satellite software, secure software updates, the integration of physical and digital protection measures, and methods for preventing compromised control and limiting its consequences.

This topic examines the characteristics of denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks targeting satellite communication networks and ground control infrastructure. Risks associated with resource exhaustion, communication channel overload, and service unavailability are analyzed. Network resilience and recovery models, traffic filtering, backup communication channels, dynamic resource allocation, and emergency recovery strategies are studied.

This topic covers the principles and security capabilities of quantum key distribution (QKD) in satellite-to-ground communication systems. The transmission of quantum states, key generation and distribution, and mechanisms for detecting interference in quantum communication channels are studied. Satellite-to-ground QKD experiments, atmospheric effects, optical signal losses, equipment requirements, and operational costs are analyzed. The potential benefits and practical limitations of using quantum communications in large-scale space networks are evaluated.

This topic examines the security characteristics of CubeSat-class small satellites and mega-constellations consisting of numerous satellites, such as Starlink, OneWeb, and Kuiper. Methods for ensuring cryptographic protection, authentication, and software security under limited computing power, energy, and memory constraints are studied. The topic analyzes the protection of inter-satellite communication links, attack surfaces arising from network expansion, risks associated with centralized and distributed control, and the optimization of security measures.

This topic explores the relationship between the physical safety of spacecraft in orbit and the cybersecurity of their digital control systems. Collision risks caused by space debris, the safe planning of orbital maneuvers, and the monitoring of space objects are studied. The physical consequences of cyber incidents, such as compromised control systems, falsified navigation data, and unauthorized commands, are examined. Particular attention is given to cyber-physical risk assessment and the development of integrated defense measures.

This topic covers the application of artificial intelligence and machine learning methods to detect abnormal behavior in satellite telemetry and space communication networks. The principles of supervised and unsupervised learning, anomaly classification, time-series analysis, and behavior-based intrusion detection systems (IDS) are studied. The topic examines modeling normal system behavior, identifying suspicious activities, reducing false positives, and evaluating models in terms of detection accuracy, latency, and computational resource requirements.

This topic examines cyberattacks against space systems in the context of international law, interstate relations, and global security. International treaties governing space activities, principles adopted within the United Nations framework, state responsibility, and legal issues concerning the civilian and military use of space infrastructure are studied. The attribution of cyber incidents, potential state responses, risks of conflict escalation, and norms for the responsible use of outer space are analyzed. Particular attention is given to ethical principles, legal accountability, and international cooperation in research activities.

This topic provides a comparative analysis of the 2022 cyberattack against the Viasat KA-SAT satellite communication network and other real-world incidents affecting space communication infrastructure. Initial access methods, exploited vulnerabilities, affected systems, and the impact on service availability are examined. The causes and consequences of these incidents, the effectiveness of defense measures, and lessons learned are evaluated. Based on the findings, strategies are developed to reduce risks, strengthen redundancy and recovery mechanisms, and implement proactive security measures to prevent future attacks.