By William (Bill) Gleason
Most corporations are still preparing for the next cyberattack.
Very few are preparing for the next computing revolution.
Quantum computing is not just a faster computer. It is a fundamentally different capability that will eventually break much of the public-key cryptography that protects today’s digital world — VPNs, financial transactions, email encryption, software updates, intellectual property, and classified data.
That reality introduces three serious threats for corporations that delay preparation:
- “Harvest Now, Decrypt Later” Risk - Adversaries are already collecting encrypted data today with the intention of decrypting it once quantum capability matures. Sensitive contracts, M&A discussions, IP, defense data, healthcare records if it’s encrypted with current standards, it may not be safe long term.
- Sudden Cryptographic Obsolescence - When quantum-capable systems reach practical scale, organizations that haven’t inventoried and modernized their cryptography could face massive operational disruption. Replacing encryption across enterprise systems, vendors, cloud platforms, and embedded devices is not a quick switch it is a multi-year transformation.
- Regulatory, Legal, and Fiduciary Exposure - Boards have a responsibility to understand foreseeable risk. As governments move toward post-quantum cryptographic standards, failure to prepare may become not just a security issue but a governance issue.
And here’s the critical point:
Quantum risk is not separate from cybersecurity risk. It amplifies it.
If your organization does not have:
- A clear inventory of cryptographic assets
- Continuous validation of security controls
- Alignment between cybersecurity and compliance
- Executive-level visibility into enterprise risk
Then you are not simply "waiting".
You are accumulating exposure.
Preparing for quantum does not mean panic. It means planning.
- It means assessing cryptographic dependencies.
- It means building a transition roadmap.
- It means integrating quantum readiness into your broader cybersecurity and corporate risk strategy.
The corporations that begin now will control the narrative, protect enterprise value, and strengthen stakeholder trust.
The ones that wait may find themselves reacting to a disruption they could have anticipated.
Cyber risk is corporate risk.
Quantum risk is strategic risk.
Preparation is leadership.
The SigmaSRC Platform is quantum-ready, designed to help companies stay secure as encryption, threats, and attack surfaces evolve.
Download the SigmaSRC Cryptographic Inventory Playbook
