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Ex-OpenAI researcher: "anthropic is massively underplaying the recent security breach. i'm hearing cathedral achieved full administrator access of the slack (see every message) where literally every single research secret is contained"

Coverage of "Ex-OpenAI researcher: "anthropic is massively underplaying the recent security breach. i'm hearing cathedral achieved full administrator access of the slack (see every message) where literally every single research secret is contained"" from 2 sources, with a live timeline of who reported what and when.

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Timeline · 2 reports

  1. 2026-10-28 16:49 · r/singularity
    Ex-OpenAI researcher: "anthropic is massively underplaying the recent security breach. i'm hearing cathedral achieved full administrator access of the slack (see every message) where literally every single research secret is contained"
  2. 2026-10-28 16:30 · r/ClaudeAI
    Ex-OpenAI researcher: "anthropic is massively underplaying the recent security breach. i'm hearing cathedral achieved full administrator access of the slack (see every message) where literally every single research secret is contained"

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