Hackers exploit quantom cryptography

In summary, the conversation discusses the need for better detectors to record "bright light pulses" in order to improve quantum cryptography. The article mentioned talks about the potential loopholes in quantum cryptography, specifically with Eve's interference on the entangled state. The conversation also brings up the possibility of Eve compensating for the lag time by cutting corners in the route from A to B, leading to concerns about the accuracy and precision of measurements in quantum mechanics.
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  • #2
So they need to make better detectors that don't just record a bit value of 1 if a classical "bright light pulse" is received
 
  • #3
Thats an interesting article.
 
  • #5
DrChinese said:
Welcome to PhysicsForums, Kidphysics!

Thank you Dr.C, I hope to learn as much as I can here, and I see that there are some really helpful people here too.

This article is troubling though. Someone pointed out that there would be a buffer in time between Eve's interference on the entangled state and the time Bob records a message. So one of the original hacker's response was that Eve could compensate this lag by cutting corners in the route from A to B, freeing up time needed to remain incognito.

I haven't learned about QM yet, but one would assume that collapsing an entangled state should lead to much more intimate and precise (especially with time) measurements of disturbance. At least, these are the properties QM can boast.
 

1. What is quantum cryptography and how does it relate to hacking?

Quantum cryptography is a branch of cryptography that uses principles of quantum mechanics to secure communication and data. Hackers exploit quantum cryptography by using quantum computers to try and break the encryption algorithms used to secure data.

2. How do hackers exploit quantum cryptography?

Hackers exploit quantum cryptography by using quantum computers to perform calculations much faster than traditional computers, making it easier for them to break encryption algorithms and access sensitive information.

3. What are the potential consequences of hackers exploiting quantum cryptography?

The potential consequences of hackers exploiting quantum cryptography include the compromise of sensitive data, such as personal information, trade secrets, and financial data. This can lead to identity theft, financial loss, and damage to a company's reputation.

4. How can organizations protect themselves against hackers exploiting quantum cryptography?

Organizations can protect themselves against hackers exploiting quantum cryptography by implementing strong security measures, such as using multiple layers of encryption and regularly updating their security protocols. They can also invest in quantum-safe encryption methods that are resistant to attacks from quantum computers.

5. Is quantum cryptography completely secure?

While quantum cryptography is considered to be one of the most secure forms of encryption, it is not completely immune to hacking. As technology advances, so do the capabilities of hackers. It is important for organizations to regularly update their security measures and stay informed about new developments in quantum computing and cryptography.

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