Overview of Security Risk in Satellite Communication and their Possible Solutions

Performance of satellite communication under security risk and its possible solution are presented in this paper. Risk analysis is a four step process that includes; threat assessment, vulnerability assessment, impact assessment, and risk mitigation.The top five risks associated with satellite communications systems can be identified as Meaconing, Intrusion, Jamming, Interference, (MIJI) and physical security. Meaconing is the interception and rebroadcast of signals to confuse communications between organizations. Intrusion in the penetration of the system using processes such as hacking or cracking. Jamming is a technique of preventing RF signals from reaching their destination. Interference caused by the generation of noise or atmospheric conditions makes it difficult to send intelligible message traffic. Electromagnetic Interference (EMI) hardening must considered a high risk item. RF broadcasts directed at the system can damage equipment and disrupt communications. The possible solution are to prevent these security risks are Anti-jamming Communication without Shared Secrets, for these is one solution another is Uncoordinated Spread-Spectrum Techniques, Detection of Reactive Jamming, Error-correcting codes of reliable transmission of information on a noisy channel detecting unknown intrusion using abstract signatures, Diversity Techniques for Broadband Wireless Communications etc.[1][2][3][4].