The Rise and Risks of Quantum Computing in 2025

While quantum computing promises unparalleled computational power, it will also introduce new cybersecurity risks. Here’s how to prepare.

Written by Daniel Pearson
Published on Dec. 19, 2024
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Quantum computing is rapidly transitioning from theory to practical innovation, promising to revolutionize industries with unparalleled computational power.

Major companies such as IBM, Google and Microsoft are spearheading the quantum race, showcasing that while the future is bright, the time to future-proof organizational cybersecurity is tight.

3 Steps to Prepare for Quantum Computing in 2025

  1. Conduct an audit of existing systems to identify encryption methods vulnerable to quantum attacks.
  2. Integrate post-quantum cryptographic (PQC) protocols.
  3. Train staff on managing and maintaining the new PQC protocols.

This is because quantum computing utilizes principles of quantum mechanics to process information in ways unimaginable for traditional computers. One of its most alarming implications lies in its ability to crack traditional encryption algorithms, leaving businesses vulnerable to breaches and data theft.

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Quantum Computing Cybersecurity Risks

Most modern encryption systems, including Riveset-Shamir-Adleman (RSA) and elliptic curve cryptography (ECC), are built on the difficulty of solving problems like integer factorization or discrete logarithms. These problems are virtually impossible for traditional computers to solve in a reasonable timeframe. 

However, quantum computers could break these encryptions within minutes due to their advanced algorithm, potentially exposing sensitive data worldwide.

Adding to the urgency is the harvest-now, decrypt-later attack strategy. 

Cybercriminals can steal encrypted data today and decrypt it later when quantum computers become capable, potentially compromising long-term sensitive information.

To combat the vulnerabilities quantum computing poses, researchers are developing quantum-resistant encryption methods, also known as post-quantum cryptography. These algorithms are designed to withstand attacks from both quantum and classic computers.

One of the most promising solutions is lattice-based cryptography, which relies on mathematical problems that quantum computers find difficult to solve. 

Other approaches, such as hash-based cryptography, multivariate quadratic equations and code-based cryptography, also begin to offer robust defenses.

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How to Protect Against Quantum Computing Cyber Risks

For businesses, preparing for the quantum era requires more than just implementing new algorithms; it demands a strategic overhaul of cybersecurity frameworks.

To begin, businesses are recommended to conduct a thorough audit of existing systems to identify encryption methods vulnerable to quantum attacks.

This can be carried out by a team of IT security experts, who could conduct a comprehensive audit focusing on systems that store or transmit sensitive information. Once the assessment is complete, businesses should prioritize high-risk areas such as customer data, financial records and intellectual property for detailed evaluation.

The audit should also account for supply chain dependencies, ensuring vendors and partners meet security standards. Once vulnerabilities are identified, compile a risk report outlining immediate and long-term remediation strategies. 

This initial step ensures businesses understand their current risk posture and sets the foundation for implementing quantum-resilient security measures.

Businesses may also want to begin integrating post-quantum cryptographic (PQC) protocols, prioritizing areas that handle highly sensitive data.

Start by adopting PQC algorithms recommended by organizations like the National Institute of Standards and Technology (NIST)

Focus first on areas that process highly sensitive data, such as payment systems, customer records and proprietary information. Pilot these protocols in less critical environments to evaluate performance and compatibility before scaling organization-wide. 

Businesses should also train relevant staff on managing and maintaining these new protocols, fostering in-house expertise. Regularly update PQC implementations as advancements in cryptography emerge. This strategic, phased approach ensures sensitive data remains secure while minimizing operational disruptions.

Beyond technical upgrades, fostering an organizational culture that prioritizes cybersecurity is essential for the future. Regular risk assessments, employee training and contingency planning are key.

While the risks are evident, quantum computing also offers opportunities for businesses to innovate and gain competitive advantages. Those who proactively address quantum security challenges today will position themselves as leaders in a rapidly evolving digital landscape.

As the quantum era unfolds, it’s not just about protecting data, it’s about inspiring confidence among stakeholders, customers and partners. Embracing quantum-safe technologies now will ensure resilience in the face of transformative change.

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