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AnthropicAcquisition

Anthropic Acquires Confidential AI Startup Opaque Systems

What happened

Anthropic has acquired confidential AI startup Opaque Systems.

Source

Article excerpt

Highlighted: the sentence this signal was extracted from

Anthropic has acquired Opaque Systems, a company that developed technology for using sensitive data in AI systems while keeping it protected by the underlying hardware. Opaque announced the deal last week, saying its team is joining Anthropic. Financial terms were not disclosed. Opaque started as a research project at UC Berkeley's RISELab a decade ago. Its founders include Ion Stoica, co-founder of Databricks and Anyscale, and Raluca Ada Popa, an encryption and systems security researcher who now works at Google DeepMind. Aaron Fulkerson joined as CEO in October 2023. The company turned its confidential computing research into technology used in production AI deployments. Over time, it broadened that work beyond protecting data and models. "As AI evolved, so did the problem we set out to solve. Protecting data and models was no longer enough. Organizations also needed a way to independently verify how AI systems and agents behaved," Opaque said. "That led us to expand our work from confidential AI to verifiable AI: replacing trust assumptions with cryptographic evidence of what ran, where it ran, and under what policies," the company added. Opaque also worked with the wider community on open projects that address trust and security for AI agents and models. These include the Agent Governance Toolkit, TRACE, Confidential MCP and Weight Custody Manifest. Opaque this year...

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Extracted by Autobound

From the Signal API record
Event
Acquisition

What this signalsIntegration work after a deal often opens needs for new systems and services.

Companies

  • Opaque SystemsTargetopaque.co

The full record

From the Signal API record

Extraction

Confidence
95%
Detected
Oct 19, 2026
signal_type
news
signal_subtype
acquires

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The API returns more than this page shows

This page shows a preview. The full news record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/4d7e1a58-9828-231e-f630-85172593311e returns this record as JSON. POST /v1/companies/enrich returns every signal for anthropic.com.

{
  "signal_id": "4d7e1a58-9828-231e-f630-85172593311e",
  "signal_type": "news",
  "signal_subtype": "acquires",
  "detected_at": "2026-10-19T07:45:25+00:00",
  "company": {
    "name": "Anthropic",
    "domain": "anthropic.com"
  },
  "data": {
    "url": "https://www.securityweek.com/anthropic-acquires-confidential-ai-startup-opaque-systems/",
    "title": "Anthropic Acquires Confidential AI Startup Opaque Systems - SecurityWeek",
    "excerpt": "Anthropic has acquired Opaque Systems, a company that developed technology for using sensitive data in AI systems while keeping it protected by the underlying hardware. Opaque announced the deal last week, saying its team is joining Anthropic. Financial terms were not disclosed. Opaque started as a research project at UC Berkeley’s RISELab a decade ago. Its founders include Ion Stoica, co-founder of Databricks and Anyscale, and Raluca Ada Popa, an encryption and systems security researcher who now works at Google DeepMind. Aaron Fulkerson joined as CEO in October 2023. The company turned its confidential computing research into technology used in production AI deployments. Over time, it broadened that work beyond protecting data and models. “As AI evolved, so did the problem we set out to solve. Protecting data and models was no longer enough. Organizations also needed a way to independently verify how AI systems and agents behaved,” Opaque said. “That led us to expand our work from confidential AI to verifiable AI: replacing trust assumptions with cryptographic evidence of what ran, where it ran, and under what policies,” the company added. Opaque also worked with the wider community on open projects that address trust and security for AI agents and models. These include the Agent Governance Toolkit, TRACE , Confidential MCP and Weight Custody Manifest. Opaque this year...",
    "summary": "Anthropic has acquired confidential AI startup Opaque Systems.",
    "planning": false,
    "image_url": "https://www.securityweek.com/wp-content/uploads/2026/02/Anthropic-AI_Military.jpg",
    "confidence": 0.95,
    "published_at": "2026-10-19T07:45:25Z",
    "article_sentence": "Anthropic has acquired Opaque Systems, a company that developed technology for using sensitive data in AI systems while keeping it protected by the underlying hardware.",
    "related_company_name": "Opaque Systems",
    "related_company_domain": "opaque.co"
  }
}

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