The next-generation quantum networks are immune to hackers. But it doesn't remove hackers. There are always weak points in the system. And things like surveillance cameras can see things that happen on screens with very high accuracy.
In quantum networks, a system connects data to physical systems. If the system can store data in the electrons or ions. Then system sends it through the network using particle accelerators. The system can use nanotubes or laser-based technology, where hollow laser beams and phonons make the channel through air. And then. The system can transmit information through that channel in the form of qubits.
In some other versions, the system cuts the information into as small bites as possible. Then it can send those information bites through the network using different routes. That thing makes this virtual quantum network ultra-secured. The system can send some parts of messages through underwater optical communication. And part of it through satellites.
Or the simpler case, the system can share messages to the smallest possible parts. And send those bites through optical cable using individual optical fiber for every single data bit. The system can send multiple data bites at the same time. And it can also mix their order to make code-breaking harder.
The passphrase is the weak point of cryptology. The receiving system must collect the message into one piece. And that is one of the most critical points. If eavesdroppers can get a passphrase and connect eavesdropping equipment to the receiver's computer, the result is catastrophe.
The passphrase must never sent with a message. When we think about things like decryption keys, the passwords can also be in bites. The thing is that AI gives new challenges to data security. But even the best AI cannot break code, and it cannot get into its hands. The thing is that most important messages require the daily security key. One version is to send the encryption key to the office's telephones in pieces. Then the superiority officer comes and takes the numbers and letters. After that destroy the messages.
The sender can use multiple systems for that thing. The sender can send that word using multiple mobile telephones, putting the passphrase in pieces to SMS and other messages. And passphrase bites can be as images. Then the receiver, or authorized receiver, can have a personal bite of the passphrase written in a notebook.
The idea is that the other personnel will come to show the messages that seem ridiculous. The passphrase can be an image. That portrays some cartoon characters, like Donald Duck. So the receiver writes "DonaldDuck" and personal part to the passphrase. There are multiple versions of that kind of way to send passphrases. The personal part can be a photograph of the door, and the complete passphrase can be "DonaldDuckroom123". The thing is this human is always a weak point.
There is always the possibility that privacy is endangered. One version that can crush even the best security solutions is the window, which allows neighbors to see straight into the office and the computer's screens. This is one of the reasons why safety walks are always important in workplaces. There can be some window that allows people to see screens from the streets.
https://scitechdaily.com/groundbreaking-new-research-hub-aims-to-develop-near-unhackable-quantum-internet/
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