Which type of cable is more secure against eavesdropping?

Fiber optic cable is recognized for providing a higher level of security against eavesdropping compared to other types of cabling. This advantage is primarily due to the nature of how data is transmitted through fiber optics. Instead of electrical signals used in copper cables that can emit electromagnetic interference, fiber optics use light to transmit data.

Since light does not leak out of the cable in the same way as electrical signals, it is very difficult for someone to tap into the fiber optic line without being detected. Moreover, any physical intrusion into the cable typically results in a noticeable disruption of the signal, making unauthorized access far more challenging.

In contrast, copper cables, coaxial cables, and twisted pair cables can be more susceptible to tapping since they transmit data through electrical signals, which can be easier to intercept without detection. This makes fiber optic cables a preferred choice for secure communications, especially in environments where data privacy is critical.