Anthropic Acquired AI Security Firm Opaque

The artificial intelligence developer bought the startup to improve the security and verification of AI systems.

Updated on Oct. 14, 2026 in Artificial Intelligence

Isometric editorial illustration featuring a metallic cryptographic seal structure and a steel grid frame, representing AI security infrastructure. — Anthropic has acquired security firm Opaque to integrate verifiable AI workloads and cryptographic tools into its existing artificial intelligence platform. AI Illustration. Upload story photo >

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Anthropic has acquired Opaque, a technology company specializing in secure AI workloads and verifiable systems. Opaque, which originated as a research project at the University of California, Berkeley, provides hardware-enforced protections for sensitive data.

Why it matters

The acquisition aims to address the urgent need for independent methods to verify the behavior of increasingly complex AI systems and agents. By integrating Opaque's technology, organizations can better secure their AI workloads while ensuring transparency.

Opaque utilizes hardware-enforced protections to secure AI workloads processing sensitive information. The firm also provides cryptographic evidence to support the verification of AI agent behaviors.

The players

Anthropic

Anthropic is a prominent artificial intelligence company that develops large language models and focuses on AI safety research.

Opaque

Opaque is a technology startup that offers hardware-enforced security for AI workloads and originated at the University of California, Berkeley.

Raluca Ada Popa

Raluca Ada Popa is the co-founder and president of Opaque Systems and serves as an associate professor at the University of California, Berkeley.

The details

Opaque transitioned its focus from confidential AI to verifiable AI using cryptographic evidence and specialized open-source tools like Agent Governance Toolkit and Weight Custody Manifest. This merger integrates these security-focused resources into Anthropic's platform to enhance organizational data governance.

The acquisition of Opaque by Anthropic was announced on October 14, 2026.
Opaque was founded in 2016.

The Tech Race

This acquisition marks a major step in the competition to implement Confidential Computing as a standard for secure enterprise AI. It follows a trend of tech leaders buying specialized startups to replace legacy security models with hardware-based cryptographic verification.

For organizations, this technology offers clearer oversight into how AI systems handle sensitive data and execute autonomous tasks. Users may see improved privacy features and more verifiable, trustworthy interactions with enterprise-level AI applications.

The takeaway

The move highlights a growing priority for businesses to prove that their AI systems are acting as intended rather than just operating as black boxes. Future AI deployments will likely depend on similar cryptographic evidence to maintain user trust and security compliance.