Q Day in Cybersecurity: What Technology Leaders Must Know About Quantum Risk with Rameshwar Balanagu
Mar 22, 2026Q Day in Cybersecurity: What Technology Leaders Must Know About Quantum Risk with Rameshwar Balanagu
In this Spotlight Interview, Alex Jarett speaks with Rameshwar Balanagu, Chief Enterprise Architect in the Office of the CIO at UNFI and Board Member of the American Board of Technology Professionals (ABTP Dallas).
The topic: Q Day, quantum computing, and the future of cybersecurity.
What Is Q Day in Cybersecurity?
Q Day is the point at which quantum computers can break today’s encryption standards, including widely used public key cryptography.
But the bigger issue is already happening.
Attackers are using a strategy called “harvest now, decrypt later,” where encrypted data is collected today and stored until quantum computing can unlock it.
This means sensitive data being transmitted right now could be exposed in the future.
Why Quantum Computing Is a Security Threat
Modern cybersecurity depends on encryption to protect:
- Financial transactions
• Enterprise systems
• Cloud communications
• Personal and confidential data
According to Ram, this digital trust layer is at risk:
- Quantum breakthroughs are accelerating faster than expected
• Risk window may begin between 2026 and 2029
• By 2035, current encryption could be fully compromised
This is not theoretical. It is a near-term enterprise risk.
Q Day and Zero Trust Security
A key takeaway for enterprise leaders:
Quantum security is not separate from Zero Trust.
It must be integrated into existing cybersecurity strategies.
Organizations should evolve their Zero Trust architecture to include quantum-resistant protections rather than treating Q Day as a standalone initiative.
How to Prepare for Q Day (Enterprise Action Plan)
Technology Leaders should begin taking action now:
- Implement or Accelerate Zero Trust
Zero Trust is the foundation. Without it, quantum readiness is not possible. - Create a Cryptographic Inventory
Most organizations lack visibility into where encryption is used.
Start by identifying:
• Critical systems and data flows
• Encryption methods (TLS, VPN, certificates, etc.)
• Exposure points across applications
- Plan for Post-Quantum Cryptography (PQC)
PQC introduces new encryption methods designed to resist quantum attacks.
However, it is not a complete solution on its own.
- Adopt a Hybrid Security Model
Organizations should combine:
• Existing encryption systems
• Post-quantum cryptographic controls
This hybrid approach will likely be required through 2032 and beyond.
Enterprise Risk: AI, Automation, and Scale
As organizations scale AI and automation, risk increases:
- Faster data movement
• More interconnected systems
• Greater exposure if encryption fails
A breach in a quantum-enabled world is not just data loss. It is system-wide trust failure.
What This Means for Consumers
Individuals have limited control, but awareness matters.
Consumers should:
• Ask vendors how they are preparing for quantum security
• Understand that current tools (like VPNs) may not be future-proof
• Monitor developments in quantum-safe technologies
Final Takeaway: Q Day Is Already Starting
Q Day is not a single event. It is a transition already in motion.
Data is being collected today.
Quantum capabilities are advancing quickly.
For Technology Leaders, the priority is clear:
Start preparing now by integrating quantum security into your Zero Trust strategy.