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Response snapshot Oct 30, 2026, 01:51 UTC

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AI incidentaiid-researchers-cybersecurity-start-up-cathedral-got-inside-anthropic-2dcd727f5a4d

How an AI start-up founded by ex-DOGE staffers broke into Anthropic

Cathedral, a months-old cybersecurity start-up, recently told Claude chatbot maker Anthropic that its researchers had penetrated sensitive internal data and messaging systems at the artificial intelligence company, according to a draft rep ...

At a glance

AI involvement
AI involvement not assessed
Sources
2 independent sources

What to do

Read the original disclosure for scope (what the AI system did or what was affected) and any mitigations, before drawing conclusions.

Read washingtonpost.com via AI Incident Database: How an AI start-up founded by ex-DOGE staffers broke into Anthropic (opens a new tab)

AI involvement

Not assessed

AI involvement not assessed

The source does not establish attacker AI use.

Sources

  1. Reporting

    washingtonpost.com via AI Incident Database: How an AI start-up founded by ex-DOGE staffers broke into Anthropic (opens a new tab)

    The article reports an incident involving an AI system. It is reporting, not independently confirmed.

    Published Checked

  2. Reporting

    AI Incident Database incident 1789 (opens a new tab)

    The database entry that groups the reports of this incident.

    Published Date not suppliedChecked

  3. Reporting

    AI Incident Database syndication feed (opens a new tab)

    The RSS/Atom/RDF entry supplied this exact link and any available title, date, and excerpt.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 29). How an AI start-up founded by ex-DOGE staffers broke into Anthropic. https://kevwire.com/record/aiid-researchers-cybersecurity-start-up-cathedral-got-inside-anthropic-2dcd727f5a4d

MLA

"How an AI start-up founded by ex-DOGE staffers broke into Anthropic." KEVWire, 29 Oct. 2026, kevwire.com/record/aiid-researchers-cybersecurity-start-up-cathedral-got-inside-anthropic-2dcd727f5a4d.

Chicago

KEVWire. "How an AI start-up founded by ex-DOGE staffers broke into Anthropic." Last modified October 29, 2026. https://kevwire.com/record/aiid-researchers-cybersecurity-start-up-cathedral-got-inside-anthropic-2dcd727f5a4d.

Evidence summary (plain text)

How an AI start-up founded by ex-DOGE staffers broke into Anthropic (Oct 29, 2026).
Cathedral, a months-old cybersecurity start-up, recently told Claude chatbot maker Anthropic that its researchers had penetrated sensitive internal data and messaging systems at the artificial intelligence company, according to a draft rep ...
Sources:
washingtonpost.com via AI Incident Database: How an AI start-up founded by ex-DOGE staffers broke into Anthropic: https://www.washingtonpost.com/technology/2026/10/26/researchers-cybersecurity-start-up-cathedral-got-inside-anthropic/
AI Incident Database incident 1789: https://incidentdatabase.ai/cite/1789/
AI Incident Database syndication feed: https://incidentdatabase.ai/rss.xml
Record ID: aiid-researchers-cybersecurity-start-up-cathedral-got-inside-anthropic-2dcd727f5a4d.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 30, 2026, 01:50 UTC. Ingestion is not an independent editorial investigation.

Syndicated reporting, unreviewed by KEVWire and not independently primary-confirmed. Consult the exact article and any primary disclosure it links.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

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