Intelligent CIO LATAM Issue 39 | Page 63

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POST-QUANTUM CRYPTOGRAPHY : SECURITY IMPLICATIONS FOR THE BOARDROOM

Nils Gerhardt , Chief Technology Officer and Head of Product , Utimaco , on the security implications of quantum computing .

We can safely assume that most of the toplevel executives are aware of quantum computing , especially when 100 % of Fortune 500 companies and the majority of Global 2000 companies have a Chief Information Security Officer ( CISO ) who has certainly done at least a first assessment of the impact of Quantum Computing .

The key conversation now is around securing their organisations against quantum computing threats .
This requires engagement from an entire company . For those operating in certain industries , it could be a costly , lengthy process that involves securing millions of digital assets .
So , what does the rest of the boardroom need to know about Quantum Computing ?
It would be difficult to explore the inner-workings of quantum computers in this article without going into the complex , counter-intuitive theory behind them – what most people need to know is that they could be vastly more powerful than conventional computers .
To over-simplify the complex world of digital security , a company ’ s digital assets are protected by mathematics . The long and complex numbers that function as ‘ keys ’ to a particular digital lock could take upwards of trillions of years for a standard computer to solve , but they can be solved , and this means that the only thing preventing your digital assets from being open to all is computing power .
‘ Quantum Supremacy ’, the point at which a quantum computer can carry out calculations for certain problems faster than a conventional computer , was
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