Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution

"Quantum Bridge announced on Wednesday that it has raised $8 million in Series A funding for its quantum-safe key distribution solution. The new funding, which brings the total raised by the company to $16 million, was supported by Wayra (Telefónica), Cadenza VC, Club degli Investitori angels, HPE, and Bacchus Venture Capital."

"Quantum Bridge has developed a quantum-safe cybersecurity solution built around its patented Distributed Symmetric Key Establishment (DSKE) protocol, a key distribution technology that automates the creation and distribution of symmetric keys. DSKE uses pre-shared random data between clients and a group of Security Hubs, with a secret-sharing scheme that ensures no individual Security Hub ever holds the final key, providing protection against both classical and quantum attacks."

"The company's primary product, the Symmetric-Key Distribution System (SDS), packages DSKE alongside post-quantum cryptography (PQC) and quantum key distribution (QKD) into a single crypto-agile platform. SDS integrates into existing network infrastructure without architectural changes, and uses an Ansible-based automation tool to handle installation and configuration. The solution can be deployed for network appliances or as an endpoint-based system."

""National security can't wait for perfect conditions," said Mattia Montagna, co-founder and CEO of Quantum Bridge. "We build quantum-safe systems that work inside real networks today - systems designed to keep protecting sovereign communications as the threat landscape evolves.""

Quantum Bridge, based in Toronto, raised $8 million in Series A funding, bringing total funding to $16 million. The round was supported by Wayra, Cadenza VC, Club degli Investitori angels, HPE, and Bacchus Venture Capital. Founded in 2019, the company developed a quantum-safe cybersecurity solution centered on its patented Distributed Symmetric Key Establishment (DSKE) protocol. DSKE automates symmetric key creation and distribution using pre-shared random data between clients and Security Hubs, with secret sharing so no single hub holds the final key. The Symmetric-Key Distribution System (SDS) packages DSKE with post-quantum cryptography and quantum key distribution into a crypto-agile platform. SDS integrates into existing networks without architectural changes using Ansible-based automation, and targets government, defense, finance, critical infrastructure, and communications.

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