In 2025, the estimated size of the machine needed to break today’s key exchange fell from about twenty million qubits to under one million. “Nothing is broken today, and that is exactly why this is the moment to act,” said Jaime Manteiga, Co-Founder of Manteiga Foundation, emphasizing the proactive need to address a fix achievable with a single setting.

Florida Financial Institutions’ Quantum Decryption Vulnerability Assessment

The Manteiga Foundation’s recent scan revealed that 27 of Florida’s 81 headquartered banks and credit unions currently lack full protection against potential decryption by future quantum computers. A state-of-readiness note published on October 18, 2026, lists every institution and its result at quantumreadylabs.com/studies/florida-financial-2026q4. The foundation categorized institutions as Exposed, At Risk, Protected, or Ready, based on their implementation of post-quantum cryptographic standards.

Ten institutions were found to be Exposed, still operating on protocol generations incapable of supporting necessary protections, while seventeen were At Risk, using modern protocols but with post-quantum key exchange not yet enabled. The foundation notes that browsers already support the new protective measures, simplifying the transition for end-users. The technical adjustments required for many institutions are surprisingly minimal; the foundation states that most require only one setting change to bolster their defenses.

Seventeen institutions identified as At Risk require only a single configuration change, enabling the post-quantum key exchange (X25519MLKEM768), on their existing servers, Manteiga Foundation says. Jaime Manteiga explained, “We built the scanner so that anyone can see where a host stands in a second and what to do next.” The scanner, available free and open source under the license, assesses quantum readiness by simulating browser connections and evaluating adherence to standards, including IR 8547, FIPS 203 and CNSA 2.0.

The foundation plans to rescan the institutions quarterly, providing ongoing monitoring of their quantum security posture and offering cybersecurity consulting services through its practice, N30.ai, for organizations seeking assistance with the upgrade process. Each institution’s assessment is available as a shareable link or a five-page PDF, promoting transparency and facilitating informed decision-making within the financial sector. The foundation’s methodology involved fourteen TLS handshakes and one ordinary connection to each institution’s public primary domain, without accessing any pages or attempting logins.