Investment builds on successful joint deployments to accelerate product development and expand into new defence markets
LONDON, Oct. 20, 2026 (GLOBE NEWSWIRE) — Arqit Quantum Inc. (NASDAQ: ARQQ), a global leader in quantum-safe encryption helping safeguard sensitive information from current and future cyber threats, today announced a strategic investment in Sirius Computer, Inc., a technology provider of secure computing and networking solutions for defence, intelligence and critical national infrastructure. This will accelerate the development and delivery of quantum-safe communications for defence, government and national security users.
The investment builds on an existing partnership…
