Arqit Quantum Inc is a cybersecurity company that has pioneered a symmetric key agreement technology that makes the communications links of any networked device or data at rest secure against current and future forms of cyber attack - evenan attack from a quantum computer. The company delivers its symmetric key agreement technology via its product QuantumCloud. The firm operates in one segment that is, the provision of cybersecurity services via satellite and terrestrial platforms. The company operates and generates its revenue from UK.