Quantum technologies are often only over-hyped showed as threat for cybersecurity … But they also offer some opportunities to enhance the cybersecurity landscape . As an example, you may know that a quantum computer will be able to break RSA keys but Quantum communication technologies can also provide a new way to exchange securely a cipher key. More, with Quantum networking technologies, communication eavesdropping are , by design, detectable and thus this could lead to some good opportunities to use them to enhance cybersecurity. Some even begins to build a Quantum internet ! We may also solve main security issues face by cloud computation (privacy, confidentiality etc) via the use of "Blind quantum computation" in the cloud.