---
title: "Cathedral, a months-old cybersecurity startup founded by ex-DOGE staffers, says it breached Anthropic's internal systems in under 12 hours using AI agents (Washington Post)"
type: signal
url: https://frontiernewswire.com/s/cathedral-a-months-old-cybersecurity-startup-founded-by-ex-doge-1e7bce2f
published: 2026-10-26T11:35:03.000Z
byline: "Source: TECHMEME"
---

# Cathedral, a months-old cybersecurity startup founded by ex-DOGE staffers, says it breached Anthropic's internal systems in under 12 hours using AI agents (Washington Post)

Source: TECHMEME · Published 2026-10-26 · Canonical: https://frontiernewswire.com/s/cathedral-a-months-old-cybersecurity-startup-founded-by-ex-doge-1e7bce2f

Washington Post : Cathedral, a months-old cybersecurity startup founded by ex-DOGE staffers, says it breached Anthropic's internal systems in under 12 hours using AI agents — The start-up firm Cathedral has told makers of the Claude chatbot that its researchers were able to quickly penetrate sensitive systems, a report reviewed by The Post shows.

## Sources

- [Read the original at TECHMEME](https://www.techmeme.com/261026/p16#a261026p16)

## Related

- [We’re helping farmers around the world connect to essential services online.](https://frontiernewswire.com/s/were-helping-farmers-around-the-world-connect-to-essential-services-dbc971a2)
- [Anthropic S-1: post-IPO governance will retain Public Benefit Corporation status, giving its seven co-founders 50.1% voting control via a single Class F share (Deborah Mary Sophia/Reuters)](https://frontiernewswire.com/s/anthropic-s-1-post-ipo-governance-will-retain-public-benefit-9d3d7a34)
- [PitchBook in North \| Cohere](https://frontiernewswire.com/s/pitchbook-in-north-cohere-4e587421)
- [SpaceX agrees to a \~$40B equipment finance lease with Apollo to fund purchases of Nvidia GPUs for its AI initiatives, set to close before the end of 2026 (Carmen Arroyo/Bloomberg)](https://frontiernewswire.com/s/spacex-agrees-to-a-40b-equipment-finance-lease-with-apollo-to-fund-b4b7994c)
- [S-1: Anthropic outlines its mission to revolutionize sectors like medicine and warns its corporate behavior may diverge from traditional profit-maximization (Robert Hart/The Verge)](https://frontiernewswire.com/s/s-1-anthropic-outlines-its-mission-to-revolutionize-sectors-like-6bdeb348)

---

[More Latest Signal](https://frontiernewswire.com/) · [Signals](https://frontiernewswire.com/verified-reporting)
