# Babcock and Arqit Demonstrate Quantum-Safe Encryption in UK

Babcock International Group and Arqit Quantum Inc showcased a quantum-safe encryption technology for defense communications at DVD 2026 in Millbrook, Hampshire, United Kingdom. This demonstration featured secure data transmission between sites without the need for physical inline encryptors, highlighting advancements in quantum-resistant cryptographic solutions. The collaboration follows a Memorandum of Understanding focused on secure networking, systems integration, and cryptographic technologies, signaling emerging procurement opportunities for contractors specializing in advanced secure communications and quantum-safe encryption.

- **Why this matters:** Defense agencies and contractors should note the growing emphasis on quantum-resistant encryption to protect sensitive communications against future quantum computing threats.
- The demonstration indicates potential upcoming procurements for secure networking systems that eliminate traditional hardware dependencies.
- Companies specializing in cryptographic technologies and systems integration may find new partnership and contract opportunities with defense primes like Babcock.
- Procurement professionals should consider the implications of quantum-safe technologies in future secure communications requirements and acquisition strategies.

**Jurisdictions:** international
**Industries:** Defense & Military
**Topics:** Cybersecurity
**Published:** September 22, 2026

### Vendors
- Babcock International Group (prime contractor)
- Arqit Quantum Inc (technology provider)

### Sources
- [Babcock and Arqit Demonstrate Quantum-Safe Encryption for Defence Communications](https://thequantuminsider.com/2026/09/22/babcock-arqit-secure-communications-quantum-enabled-threats) - The Quantum Insider