IonQ Acquires Zero-Trust Firm Elisity for Up to $1.3 Billion to Bolster Quantum-Resistant Security
Quantum computing company IonQ is acquiring zero-trust security firm Elisity for up to $1.3 billion, aiming to integrate identity and access control with post-quantum cryptography efforts.
Quantum computing pioneer IonQ has announced its intention to acquire Elisity, a zero-trust network security company, in an all-stock transaction valued at up to $1.3 billion. This strategic move aims to integrate Elisity's identity and access control software into IonQ's burgeoning cybersecurity division, which is focused on post-quantum cryptography (PQC).
Elisity, founded in 2019, specializes in a software policy layer that governs network communications between users, devices, workloads, and AI agents, irrespective of the underlying network infrastructure. The company boasts over 100 global deployments and has reported consistent year-over-year growth in revenue and customer acquisition, with no reported churn among its existing clients.
IonQ, primarily known for its quantum computing hardware, has been actively building a security arm to address the future threat posed by quantum computers capable of breaking current encryption standards. This acquisition directly confronts the dual challenges of immediate cyber threats and the long-term risk of 'harvest now, decrypt later' attacks, where adversaries stockpile encrypted data today to decrypt it once sufficiently powerful quantum computers are available.
"Our customers need to contain attacks today, put AI to work safely, and prepare for quantum risk," stated Elisity CEO James Winebrenner in a blog post announcing the deal. IonQ Chairman and CEO Niccolo de Masi emphasized the urgency, noting that "Q-Day"—the anticipated point when quantum computers can break current encryption—is approaching faster than previously expected.
The acquisition aligns with a broader industry trend towards accelerating the adoption of PQC. Both government agencies and technology firms are revising their timelines, with the U.S. government, for instance, pushing its PQC migration deadline for federal agencies from 2035 to 2030. Major tech companies like Google are also moving their internal migration plans forward.
Elisity's IdentityGraph product is slated to play a crucial role in this transition by linking identity data directly to cryptographic decision-making. The company plans to enhance its product with cryptographic inventory and risk information, enabling customers to prioritize post-quantum upgrades based on business impact.
The deal also reflects the growing influence of AI agents on network security. Elisity's platform already incorporates AI agents and other non-human identities into its access policy framework. The company's participation in the Open Secure AI Alliance underscores its commitment to developing least-privilege rules, threat containment, and control mechanisms for AI agents.
The transaction is expected to be finalized in the fourth quarter of 2026, pending regulatory approvals. This acquisition positions IonQ at the intersection of quantum computing and advanced cybersecurity, preparing for a future where both quantum threats and AI-driven security solutions will be paramount.