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Leakage of information through active and passive elements in optical fibre infrastructures
Spurný, Vladimír ; Horváth, Tomáš (referee) ; Münster, Petr (advisor)
This bachelor thesis deals with the problem of information leakage from optical fiber infrastructures, both from the fibers themselves and from passive and active elements. The first part is devoted to a theoretical description of the transmission of information over an optical fiber and the function of individual components. The next part is focused on the theoretical analysis of possible information leaks. In the last - practical part, there will be an examination of some of the previously described possibilities of information leakage with subsequent analysis and a proposal for risk minimization.
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Resilient fiber optic infrastructure
Spurný, Vladimír ; Kubánková, Anna (referee) ; Münster, Petr (advisor)
Optical networks are often mistaken for being secure, but there are ways to eavesdrop on the signal in an optical fiber without the user noticing. Cryptography is used to protect data, but quantum computing may threaten current encryption methods in the future. Misuse of active and passive elements affect the security of the optical infrastructure. The monitoring ports of active devices and the physical properties of optical fibre s pose risks for data leakage and eavesdropping. This work focuses on information transmission in optical fibers, data leakage risk analysis, and testbed design for measuring data signal interference. And then verifies the functionality of the workstation on a high-speed coherent transmission system.
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Leakage of information through active and passive elements in optical fibre infrastructures
Spurný, Vladimír ; Horváth, Tomáš (referee) ; Münster, Petr (advisor)
This bachelor thesis deals with the problem of information leakage from optical fiber infrastructures, both from the fibers themselves and from passive and active elements. The first part is devoted to a theoretical description of the transmission of information over an optical fiber and the function of individual components. The next part is focused on the theoretical analysis of possible information leaks. In the last - practical part, there will be an examination of some of the previously described possibilities of information leakage with subsequent analysis and a proposal for risk minimization.
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