Fiber optic cable encryption is crucial for safeguarding data transmission, utilizing techniques such as optical encryption, secure key distribution, and additional layers of security. The aim of this paper is to analyze the previously presented security risks and, based on measurements, provide the risk level evaluation., all. Fiber optic cables offer superior protection against electromagnetic eavesdropping compared to copper, making passive monitoring significantly more challenging. However, fiber is not invulnerable. Attackers with specialized tools can: Physically access unsecured junctions or cabinets. These networks operate on the fundamental principle of total internal reflection, in which light signals are guided along a glass or plastic core. Fiber optic networks play a pivotal role in modern internet infrastructure, revolutionizing the way data is transmitted and secured. Fiber Optic technology stands out for its unparalleled efficiency and reliability, offering numerous benefits over traditional copper lines. What Makes Fiber Optic. In this blog, we will take an in-depth look at security measures for fiber optic communications, examining different strategies and technologies to ensure that data transmitted over this advanced infrastructure is intact and confidential. Since the physical layer forms the bottom layer in the open systems inter-connection (OSI) model, the performance and security of the physical layer and especially.