Quantum Bridge secures $8M Series A for Distributed Symmetric Key Establishment protocol deployment
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Quantum Bridge, a Toronto-based cybersecurity firm specializing in quantum-safe cryptography, announced $8 million in Series A funding, bringing total investment to $16 million. The company’s Distributed Symmetric Key Establishment (DSKE) protocol automates symmetric key creation and distribution using pre-shared random data and secret-sharing across Security Hubs, ensuring no single hub holds the complete key. This architecture mitigates both classical and quantum computing threats. Quantum Bridge’s Symmetric-Key Distribution System (SDS) combines DSKE with post-quantum cryptography (PQC) and quantum key distribution (QKD) into a crypto-agile platform deployable on existing network infrastructure via Ansible-based automation.
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20.05.2026 18:45 1 articles · 3h ago
$8M Series A funding secured by Quantum Bridge for quantum-safe cryptographic platform expansion
Quantum Bridge announced $8 million in Series A funding, increasing total raised to $16 million, led by Wayra (Telefónica), Cadenza VC, Club degli Investitori, HPE, and Bacchus Venture Capital. The capital will support development and deployment of the company’s Distributed Symmetric Key Establishment (DSKE) protocol and Symmetric-Key Distribution System (SDS), a quantum-safe, crypto-agile key distribution platform designed for integration into existing network infrastructures.
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- Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution — www.securityweek.com — 20.05.2026 18:45
Information Snippets
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Quantum Bridge raised $8 million in Series A funding, increasing total capital to $16 million, with backers including Wayra (Telefónica), Cadenza VC, Club degli Investitori, HPE, and Bacchus Venture Capital.
First reported: 20.05.2026 18:451 source, 1 articleShow sources
- Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution — www.securityweek.com — 20.05.2026 18:45
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DSKE uses pre-shared random data and secret-sharing schemes across Security Hubs to prevent any single hub from possessing the full symmetric key, mitigating both classical and quantum decryption threats.
First reported: 20.05.2026 18:451 source, 1 articleShow sources
- Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution — www.securityweek.com — 20.05.2026 18:45
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SDS integrates DSKE with PQC and QKD into a crypto-agile platform deployable without architectural changes, using Ansible-based automation for installation and configuration.
First reported: 20.05.2026 18:451 source, 1 articleShow sources
- Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution — www.securityweek.com — 20.05.2026 18:45
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Target sectors for SDS deployment include government and defense, finance, critical infrastructure, and communications.
First reported: 20.05.2026 18:451 source, 1 articleShow sources
- Quantum Bridge Raises $8 Million for Quantum-Safe Key Distribution Solution — www.securityweek.com — 20.05.2026 18:45