As quantum computing advances from theoretical research toward practical capability, governments, enterprises, and cybersecurity experts are increasingly warning that current encryption systems may eventually become vulnerable to future quantum attacks. Much of today’s global digital infrastructure, including financial systems, communications networks, defence operations, and cloud platforms, still relies on cryptographic methods that could be broken once sufficiently powerful quantum computers emerge. Cybersecurity company Quantum Bridge Technologies is developing infrastructure designed to protect organisations against that future threat, and the company has now secured fresh funding to accelerate deployment of its technology globally.
Quantum Bridge Technologies has closed an $8 million Series A funding round led by Primo Capital SGR.
The round also included participation from investors including Wayra, Cadenza VC, Club degli Investitori, HPE, and Bacchus Venture Capital.
Together with previous financing, the company has now raised a total of $16 million.
Preparing for the Quantum Security Era
Founded in 2019 by Mattia Montagna and Hoi Kwong Lo, the company emerged from one of the world’s leading quantum security research groups.
Quantum Bridge focuses on helping organisations transition toward quantum safe cybersecurity systems capable of protecting sensitive communications and infrastructure against future quantum computing threats.
The company argues that the cybersecurity industry faces a systemic challenge because current cryptographic infrastructure was not designed to withstand attacks from large scale quantum computers.
Building Quantum Safe Key Infrastructure
At the centre of Quantum Bridge’s platform is its patented Distributed Symmetric Key Establishment protocol, known as DSKE.
The protocol enables organisations to generate, distribute, and manage encryption keys through a decentralised architecture rather than relying on centralised systems that may create operational vulnerabilities or single points of failure.
According to the company, this decentralised approach improves scalability while strengthening long term cryptographic resilience across complex network environments.
Quantum Bridge says its technology is designed to integrate with existing infrastructure and security systems without requiring organisations to rebuild operational environments entirely.
The company’s platform can add quantum safe protection across multiple layers ranging from optical encryption systems to application level infrastructure.
Making Advanced Security Practical
Unlike some experimental quantum security approaches still limited primarily to research environments, Quantum Bridge focuses on practical deployment inside real commercial and institutional networks.
The company says its goal is to make defence grade quantum safe security operationally viable for enterprises, telecommunications providers, governments, and critical infrastructure operators.
Mattia Montagna said national security organisations and critical infrastructure operators cannot afford to wait for perfect conditions before preparing for the quantum transition.
According to Montagna, Quantum Bridge is focused on building systems capable of protecting sovereign communications and operational infrastructure inside existing networks today while adapting to evolving cybersecurity threats over time.
Growing Focus on Quantum Resilience
The funding round reflects growing investor interest in quantum safe cybersecurity as governments and enterprises increasingly prepare for long term cryptographic migration.
Cybersecurity experts have repeatedly warned about “harvest now, decrypt later” attacks, where encrypted data intercepted today could potentially be decrypted in the future once quantum computing becomes sufficiently advanced.
As a result, organisations handling sensitive communications and long term confidential data are beginning to evaluate quantum resilient infrastructure earlier than previously anticipated.
Mara Attardi said the investment represents an important step in the firm’s strategy around quantum technologies and digital resilience.
She added that Quantum Bridge stood out because of both the versatility of its architecture and the leadership team’s ability to combine advanced academic expertise with practical commercial execution across institutional markets.
Expanding Global Deployment
The new funding will support Quantum Bridge’s efforts to accelerate deployment of its quantum safe security systems globally while expanding its commercial and technical operations.
As quantum computing continues progressing, companies capable of helping governments and enterprises modernise cryptographic infrastructure without disrupting existing systems are expected to play an increasingly important role in the future cybersecurity landscape.