Security News > 2021 > June > Quantum computing: How should cybersecurity teams prepare for it?

Quantum information theory, which has been explored since the beginning of the 20th century, has led to an exciting yet dangerous new prospect: new quantum algorithms to solve computational problems which have thus far proven to be intractable - or at least unachievable within a useful period - by classical computers.

Their study, alongside many like it, tells us that quantum technology will present the greatest threat to the security of our critical systems in the history of computing.

How can we prepare for the benefits of quantum computing, whilst defending against its malicious use by our adversaries?

Quantum technology will not fix these issues, and they will be exploited by our adversaries' quantum computers.

As quantum computing improves, we must remain in front of our adversaries by leveraging new technology before it is adopted by those who wish to do us harm.

Peter McMahon, Applied and Engineering Physics at Cornell University, writes of quantum computing capabilities, "We're trying to find something useful we can do with a near-term quantum computer that would answer a question in quantum gravity, or high-energy physics more generally, that couldn't be answered otherwise can we simulate a model of a black hole on a quantum computer? Would that be useful? We don't know if we'll find anything, but it's very interesting to try."

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