Why Should Business Leaders Care About Quantum Computing Today?

“Oh, trebly hooped and welded hip of power!”
– Captain Ahab, Moby Dick

Captain Ahab's famous lament about an unstoppable force feels fitting when discussing quantum computing. Once the subject of science fiction, quantum computing is quickly becoming a reality that governments, technology companies, and cybersecurity professionals are preparing for. While practical quantum computers capable of breaking modern encryption are not yet here, the race to build them is well underway. Organizations do not need to panic, but they do need to understand why this technology has the potential to fundamentally change how we protect information.

What Is Quantum Computing — and How Is It Different?

Quantum computing is an emerging field within engineering and computer science that poses tremendous cybersecurity challenges for governments, the private and nonprofit sectors, and individuals. More importantly, it represents a shift in computing power unlike anything we have experienced since the dawn of the digital age. Just as artificial intelligence has rapidly exploded into the public, quantum computing is following a similar trajectory.

Today's computers all rely on the same fundamental computing model. At their core, they process information using binary digits (zeros and ones), commonly known as bits. Modern computers perform billions of calculations every second and can execute many tasks simultaneously through multiple processors, but they still solve problems by working through calculations sequentially.

Cybersecurity protections are currently built around this reality. Encryption creates math problems so complex that even the fastest computers require billions of years to solve them. This foundational principle protects everything from online banking and healthcare records to government communications and digital identities.

Quantum computers operate very differently.

Rather than relying solely on a 0 or 1, quantum computers use quantum bits, or qubits, which can exist as a 0, 1, or both simultaneously – allowing them to work in ways that have no equivalent in classical computing.

The result is a fundamentally different approach to solving problems. Instead of checking one possible answer after another, quantum computers can evaluate multiple possibilities simultaneously. Consequently, encryption methods that would take a classical computer billions of years to solve could be broken in just a few hours or even minutes.

The implications of this extend well beyond information technology departments.

Why Quantum Computing Is a Business Risk, Not Just an IT Problem

Encryption underpins nearly every aspect of modern business operations. It protects:

• Customer and employee information
• Financial transactions and company data
• Legal and privileged communications
• Intellectual property and trade secrets
• Supply chains and vendor systems
• Critical infrastructure

If today's encryption standards become vulnerable, the consequences become not only a cybersecurity issue but also a business continuity, regulatory, legal, and enterprise risk.

The Hidden Threat: "Harvest Now, Decrypt Later"

Organizations should also be aware of what cybersecurity professionals call "harvest now, decrypt later."

Threat actors may already be stealing encrypted information, knowing they cannot currently access it, anticipating that future computers can decrypt that data. Information intended to remain confidential for decades – such as:

• Defense contracts and government data
• Trade secrets and proprietary research
• Critical infrastructure information
• Long-term legal and healthcare records

If that information is stolen now or decrypted years later the consequences litigation, financial penalties, and significant business disruptions, still land on the organization.

What Is Post-Quantum Cryptography (PQC)?

While the timeline for the arrival of cryptographically relevant quantum computers vary, the National Institute of Standards and Technology (NIST) has made it clear that organizations should begin preparing now by transitioning toward post-quantum cryptography (PQC) designed to resist attacks from both classical and quantum computers.

However, quantum readiness is not achieved through any single piece of technology or software upgrade.

How Can Organizations Prepare for the Quantum Era?

Just as cyber resilience requires layers of people, processes, and technology, preparing for the quantum era requires an integrated strategy. Organizations of every size should begin by asking themselves these four questions:

1. Where do we use encryption across our environments? Most organizations can't fully map where encryption protects systems, applications, cloud services, databases, and third-party vendors. That inventory is step one.
2. What data must remain confidential for the long term?  Not all data carries the same sensitivity or retention window. Identify the assets that must remain protected for years or decades.
3. Are we monitoring legal and regulatory developments? The compliance landscape around quantum readiness will keep evolving as standards mature. Stay ahead of it.
4. Do we have a transition roadmap for adopting post-quantum cryptography as standards mature? Build a phased plan for adopting post-quantum cryptography across critical systems and vendor relationships as standards finalize.

The goal isn't to replace every security tool tomorrow. The goal is readiness.

Where Quantum Computing and AI Converge

Quantum computing also intersects with artificial intelligence, which excels at identifying patterns, automating decisions, and generating insights. Together, these technologies could unlock remarkable innovations across sectors; however, they introduce new cybersecurity, challenges that organizations will increasingly need to address together rather than in isolation.

The Bottom Line for Executives

Preparing for the quantum era does not mean replacing every security tool tomorrow. It means understanding where your organization relies on encryption, identifying long-term data risks, monitoring emerging standards, and beginning a thoughtful transition strategy.

The quantum horizon may still be years away, but the planning window is open now.

Additional Resources

• National Institute of Standards and Technology (NIST) Post-Quantum Cryptography Project | NIST's official initiative developing and standardizing quantum-resistant cryptographic algorithms. 
• Cybersecurity and Infrastructure Security Agency (CISA) Post-Quantum Cryptography Resources | Practical guidance for organizations preparing for the transition to post-quantum cryptography. 
• National Security Agency (NSA) Cybersecurity Information on Quantum Readiness | NSA guidance on quantum-resistant cryptography and recommendations for National Security Systems, with valuable insights for the broader cybersecurity community. 
• NIST National Cybersecurity Center of Excellence (NCCoE) Migration to Post-Quantum Cryptography Project | Implementation guidance and best practices for organizations planning their migration to post-quantum cryptography. 
• Google Quantum AI | Research, educational materials, and updates on Google's work in quantum computing. 
• Post-Quantum Cryptography Alliance (PQCA) | An industry consortium focused on accelerating the adoption of quantum-resistant cryptography across the private sector.

This publication is intended for general information purposes only and does not and is not intended to constitute legal advice. The reader should consult with legal counsel to determine how laws or decisions discussed herein apply to the reader's specific circumstances.