Quantum-Safe Cryptography Explained: Why It Matters for Your Security 🔐

Welcome to Zero Trust Cyber Tips and Tricks. In today's video we will be talking about Quantum-Safe we'll give you an overview of what Quantum-Safe Cryptography is and how it can help improve our Cyber Security in General.

What Is Quantum-Safe Cryptography, and Why Do We Need It?

How to prepare for the next era of computing with quantum-safe cryptography.
Cryptography helps to provide security for many everyday tasks. When you send an email, make an online purchase or make a withdrawal from an ATM, cryptography helps keep your data private and authenticate your identity.

Today’s modern cryptographic algorithms derive their strength from the difficulty of solving certain math problems using classical computers or the difficulty of searching for the right secret key or message. Quantum computers, however, work in a fundamentally different way. Solving a problem that might take millions of years on a classical computer could take hours or minutes on a sufficiently large quantum computer, which will have a significant impact on the encryption, hashing and public key algorithms we use today. This is where quantum-safe cryptography comes in.

According to ETSI, “Quantum-safe cryptography refers to efforts to identify algorithms that are resistant to attacks by both classical and quantum computers, to keep information assets secure even after a large-scale quantum computer has been built.”

What is quantum computing?
Quantum computers are not just more powerful supercomputers. Instead of computing with the traditional bit of a 1 or 0, quantum computers use quantum bits, or qubits (CUE-bits). A classical processor uses bits to perform its operations. A quantum computer uses qubits to run multidimensional quantum algorithms. Groups of qubits in superposition can create complex, multidimensional computational spaces. Complex problems can be represented in new ways in these spaces. This increases the number of computations performed and opens up new possibilities to solve challenging problems that classical computers can’t tackle.

https://www.ibm.com/cloud/blog/what-is-quantum-safe-cryptography-and-why-do-we-need-it

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