As a relevant concept in Physics, the role played by entanglement in quantum information processing is paramount, as it is the main resource enabling considerable technological achievements, such as quantum communication, quantum cryptography, quantum computational speed-up and so on. Mathematically, Quantum entanglement is the most unbelievable non-classical property of compound states that cannot be decomposed as a statistical mixtures of product states over subsystems, and it has a very complex structure, encasing many features described by just as much entanglement measures. Among all of them, the Quantum Conditional Mutual Information is a particularly interesting one and represents the object this thesis is devoted to.