7 Reasons to Deploy Post-Quantum Cryptography Today

Quantum computing is no longer a distant theoretical concern, it’s a practical risk that organizations must plan for today.

As post-quantum cryptography (PQC) standards solidify and external pressures mount, waiting to act only increases cost, complexity, and exposure. From partner and insurance demands to emerging regulations and talent constraints, the forces driving PQC adoption are converging faster than many leaders expect.

While quantum computing may be in the distant future, post-quantum cryptography is not. It’s here today. The following seven reasons explain why forward-looking organizations are deploying PQC now rather than reacting later.

1. Business Partner Requirements

Business partners are increasingly driving post-quantum cryptography adoption through security requirements and procurement expectations. Large enterprises and public-sector organizations, in particular, are beginning to assess quantum risk across their supply chains to protect long-lived and shared data.

Vendors that cannot demonstrate a credible PQC roadmap may face longer sales cycles, additional audits, or outright disqualification. As these expectations cascade downstream, even companies without direct regulatory exposure can be affected. Investing in PQC now helps organizations stay vendor-eligible, reduce friction in partnerships, and maintain trust across the ecosystem.

2. Mitigating Third-Party Risk

Third-party risk increasingly extends beyond today’s controls to how well suppliers can protect data against future quantum threats. Even if an organization adopts PQC internally, sensitive data may still be exposed through vendors, service providers, or embedded technologies that rely on quantum-vulnerable cryptography.

Starting early allows companies to identify these dependencies, assess exposure, and set PQC expectations across their supply chain. It also creates leverage to influence vendor roadmaps before quantum readiness becomes urgent. Addressing PQC as part of third-party risk management helps prevent hidden weaknesses from undermining an otherwise secure posture.

3. New Standards and Regulations

Standards bodies and regulators are rapidly turning post-quantum cryptography from guidance into expectation. NIST’s selection and standardization of PQC algorithms signals a clear direction of travel for U.S. federal agencies and the private sector that supports them. Internationally, organizations such as ETSI, ISO, and national cybersecurity agencies in the EU, UK, and Asia-Pacific are issuing timelines, migration guidance, and quantum-risk advisories that point to mandatory adoption.

As with past transitions like TLS upgrades or strong encryption requirements, once standards are formalized, regulations and enforcement tend to follow. Organizations that begin aligning now will be far better positioned than those forced into rushed compliance later.

4. Insurance Requirements

Cyber insurance requirements are evolving quickly, and cryptographic resilience is becoming part of how insurers evaluate risk.

As quantum threats gain visibility, insurers are likely to scrutinize how long sensitive data must remain protected and whether organizations have a roadmap for post-quantum security. Waiting may result in higher premiums, reduced coverage, or exclusions tied to cryptographic weaknesses.

At the same time, third-party partners may be pressured by their insurers to demand stronger security assurances from vendors and suppliers. Investing in PQC now helps organizations protect insurability, reduce downstream friction, and avoid being caught unprepared as underwriting standards tighten.

5. Cryptoagility Timelines

Cryptoagility is often underestimated because replacing cryptographic algorithms is rarely a simple swap. Encryption is deeply embedded across applications, infrastructure, devices, and third-party dependencies, many of which were never designed to be updated easily.

Organizations that wait risk discovering too late that legacy systems, certificate lifecycles, or hardware constraints significantly slow progress. Beginning the transition now allows teams to inventory cryptography, test hybrid and PQC-safe approaches, and modernize incrementally rather than under deadline pressure.

In practice, crypto agility is a multi-year capability, not a last-minute project. Even today companies are discovering older standards like SHA-1 still in use even though it was disallowed for cryptographic security by NIST in 2013. A cryptographic discovery process today can yield results regardless of post-quantum implications.

6. Competitive Differentiation

Deploying post-quantum cryptography early creates a meaningful opportunity for competitive differentiation and stronger customer trust.

As awareness of quantum risk increases, organizations that can credibly demonstrate PQC readiness signal long-term data protection and technical maturity. This is especially compelling for enterprise, regulated, and global customers with extended procurement cycles and high security expectations.

Rather than being viewed as a future compliance task, PQC becomes a trust-building feature that influences buying decisions. Early adopters can position security leadership as a business advantage, not just a defensive measure.

7. Avoiding Talent and Resource Shortages

As demand for post-quantum cryptography grows, the availability of skilled talent and implementation resources will tighten quickly.

The recent scramble for AI expertise offers a clear parallel: organizations that waited faced higher costs, longer timelines, and intense competition for a limited pool of qualified professionals. PQC expertise is already niche, spanning cryptography, infrastructure, and compliance, and demand will spike as mandates accelerate.

Companies that start now can build internal knowledge gradually, partner deliberately, and avoid paying a premium later when PQC skills become scarce. Acting early turns a looming resource constraint into a manageable transition.

The Takeaway

While quantum computing may be in the distant future, post-quantum cryptography is here today. New standards bodies and regulations are making post-quantum cryptography a necessity. Here are a few recommended next steps:

• Invest in quantum expertise and talent: don’t fall behind the curve and have to pay premium prices later like many companies did for AI experts.
• Conduct a cryptographic inventory: you may be surprised what older already deprecated and disallowed standards you find still in use.
• Invest in post-quantum cryptography: remember it could take you five years or more to fully transition to new algorithmic standards.
• Update third-party contracts: incorporate your new cryptographic standards into contracts along with responsibilities and timelines.

The companies that take these steps will be well prepared for when quantum computing becomes a reality. For more detailed information on the technical reasons for deploying PQC today, read our blog, “The Quantum Threat: Preparing Supply Chain Data for 2030.”

For more detailed information on how apexanalytix aligns to security frameworks, read our product page on Cyber Risk: https://www.apexanalytix.com/solutions/supplier-risk-management/cyber-risk-management/