Dr. Mirek Sopek, founder and CEO of Quantum B, highlighted a potential threat to long-term financial security at the TechConnect 2026 conference in Łódź on September 4th. Sopek’s presentation, delivered by Piotr Ignaczak, Chief Technology Officer at MakoLab, centered on the “Harvest Now, Decrypt Later” risk, encrypted financial data could fall victim to future quantum computing advances.
“The earlier an organization understands its cryptographic dependencies, the more time it has to carry out the migration safely,” Sopek explained, as the financial sector grapples with protecting information for years to come. Ignaczak also discussed crypto-agility, a potential solution allowing organizations to update security without complete infrastructure overhauls.
Harvest Now, Decrypt Later Threat to Financial Security
The financial sector’s long-term data security requirements necessitate proactive measures, as sensitive information must remain protected for decades. This approach enables organizations to update security protocols without completely overhauling existing infrastructure, a significant advantage given the complexity of modern banking systems. Cryptography underpins the trust inherent in financial transactions and data protection, and its integrity is paramount.
Quantum B, a company actively researching these challenges, presented these findings as part of a broader discussion on digital transformation and future security within the financial sector. The company’s work aims to prepare organizations for a future where current encryption methods may no longer be sufficient.
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