IonQ Expands Into Enterprise Security With $1.3 Billion Elisity Acquisition

IonQ, a publicly traded quantum computing company, announced plans to acquire Elisity, a Zero Trust cybersecurity platform provider, in an all-stock transaction valued at up to $1.3 billion. The deal, expected to close in the fourth quarter of 2026, pairs IonQ's post-quantum cryptography and quantum key distribution hardware with Elisity's IdentityGraph microsegmentation platform, positioning the combined company to serve enterprises navigating both immediate cyber threats and longer-term quantum computing risks.