The Quantum Computing Surge: Why Post-Quantum Readiness Can’t Wait
Recent funding, technical gains, and policy moves make the risk to long-lived enterprise data higher today than a month ago.
By Qryptonic Research, LLC.
Interactive report and assets: https://gamma.app/docs/The-Quantum-Computing-Surge-Why-Post-Quantum-Readiness-Cant-Wait-rh17a6rptluavkh
Over the last 30 days the quantum landscape shifted in concrete, measurable ways.
Massive funding rounds closed. Public programs and standards work accelerated. Engineering and algorithm advances lowered the practical bar for attacks.
Put together, these signals raise the probability that classical cryptography will face material pressure sooner than many enterprise roadmaps assume. This is a practical advisory for security leaders, boards, and technology teams. Read it. Then act.
What changed in August–September 2025
• Big rounds and strategic bets. PsiQuantum closed a $1 billion round, valuing the company at about $7 billion. QuEra expanded its Series B to $230 million with strategic Nvidia investment. IQM closed roughly €275 million (about $320 million) in its Series B, the largest recent European quantum financing. These are not token investments. They fund production facilities, engineering scale, and error-correction roadmaps.
• Policy and public infrastructure. State and federal programs moved from planning to execution. New Mexico announced a $315 million quantum initiative. DARPA’s benchmarking and acceleration programs continue to recruit commercial teams. Governments are accelerating funding, testbeds, and procurement guidance. That changes incentives and shortens timelines.
• Systems moving from lab to facility. Oak Ridge announced an IQM Radiance system for integration with its HPC stack. The system was announced in August and scheduled for deployment in Q3 2025. Deployments like this show hybrid quantum-classical workflows moving into production adjacent environments.
• Algorithmic progress. New cryptanalytic work reduced earlier qubit estimates for breaking RSA. That research shows algorithmic advances can materially reduce the hardware needed to threaten public-key systems. Hardware and algorithm gains compound. They change the math on risk.
• Standards progress. NIST’s post-quantum program has moved from selection to implementation guidance. The community is converging on practical algorithms and deployment patterns. NIST-approved PQC is available for pilot and hybrid deployments.
Why this matters now
The operational risk is straightforward. Attackers can capture encrypted data today. They can store it. When a cryptographically relevant quantum computer appears, that stored data can be decrypted. This is the “harvest now, decrypt later” threat. It is real and urgent for any data that must remain confidential for five to ten years.
Migration is long. Replacing cryptography across enterprise systems takes months and often years. It touches web endpoints, internal APIs, legacy devices, partner integrations, and third-party services. Starting late forces emergency remediation. Starting now gives time to pilot, validate, and phase changes.
There is timeline uncertainty. Some experts expect large, fault-tolerant quantum systems by 2030. Other experts are cautious and estimate longer horizons. The correct enterprise stance is not to pick a single date. The correct stance is to treat quantum as a time-sensitive risk and to act now to shrink the vulnerability window.
Practical actions for this quarter (30–90 days)
Inventory cryptography. Map where RSA, ECC, DH, and legacy primitives are used. Note data with long confidentiality requirements.
Prioritize by shelf life. Move the data that must stay secret the longest to the top of the list. IP and regulated records get priority.
Run a PQC pilot. Start small with hybrid PQC + classical modes. Pilot internal APIs and a non-customer TLS endpoint.
Build crypto agility. Use modular key management and API layers so algorithms can be swapped with low friction.
Harden key management. Evaluate PQC-ready HSMs and hybrid key wrapping. Consider quantum random number sources where practical.
Assign governance. Designate a quantum readiness lead and brief legal, procurement, and compliance teams.
These steps reduce exposure and lower total cost. They also produce early lessons that simplify larger rollouts.
Addressing common objections
“Quantum is far off. We can wait.”
Maybe. But investment and algorithmic progress shorten that window. More important is the harvest threat. Waiting only widens the window adversaries have to collect encrypted data.
“Standards are not final.”
NIST has selected practical PQC algorithms. Standards will refine. That is why pilots and hybrid modes are the right early play. They lower vendor and integration risk.
“Migration is expensive.”
Migration is an investment. Emergency remediation after a breakthrough will cost far more. Early pilots save money and reputation.
Technical and economic context to keep in mind
• Algorithm names and standards. NIST-standardized algorithms originally known as CRYSTALS-Kyber and CRYSTALS-Dilithium are now referenced under broader FIPS identifiers in implementation guidance. Use vendor mappings and test vectors when evaluating support.
• Energy and attack economics. Breaking modern encryption with quantum hardware will be resource intensive. Energy and infrastructure costs matter. But nation states and well funded adversaries can absorb those costs. Enterprise risk models must account for asymmetric capability. Energy requirements change the economics. They do not eliminate the threat.
• Regional variation and uncertainty. Quantum readiness and investment differ by region. Some countries pursue aggressive national programs. Others are slower. If you operate globally, expect divergent regulatory expectations and vendor availability.
How Qryptonic helps
Qryptonic’s work is built for this transition. We combine practical engineering and governance support to move organizations from inventory to production. Our offerings include:
• Rapid crypto inventory and exposure ranking.
• PQC pilot design and implementation with hybrid modes.
• HSM evaluation and key management modernization.
• Crypto-agility architecture and vendor validation.
• Board briefings, procurement language, and regulatory alignment.
We focus on low-risk pilots first. That reveals integration gaps early. Then we produce a multi-year roadmap that balances business needs and security risk.
Final call
The last 30 days are a clear inflection. Funding, policy, and technical progress all moved in the same direction. The chance that long-lived secrets will be vulnerable in the next decade rose. Treat post-quantum readiness as enterprise risk. Start with inventory. Pilot pragmatically. Build agility. If you want a short, executive briefing or a tailored migration plan, contact Qryptonic and we will help you start today.
Qryptonic — Post-Quantum Ready, Permanently™
Enterprise cryptographic security assessments that address both immediate vulnerabilities and future quantum threats. Practical. Measurable. Vendor agnostic.
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Read the interactive report and assets
https://gamma.app/docs/The-Quantum-Computing-Surge-Why-Post-Quantum-Readiness-Cant-Wait-rh17a6rptluavkh
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Sources
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Internal: The Quantum Computing Surge: Why Post-Quantum Readiness Can’t Wait.pdf. /mnt/data/The Quantum Computing Surge_ Why Post-Quantum Readiness Can’t Wait.pdf. 2025-09-12.
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Web: QuEra – “QuEra expands $230M financing round, advancing quantum-accelerated supercomputing.” https://www.quera.com/press-releases/quera-expands-230-million-financing-round-advancing-quantum-accelerated-supercomputing. Pub: 2025-09. Accessed: 2025-09-12.
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Web: NIST – “NIST post-quantum cryptography program and guidance.” https://www.nist.gov/topics/post-quantum-cryptography. Pub: 2024 (ongoing). Accessed: 2025-09-12.
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