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OpenAI to train on Daybreak Blue cybersecurity session data from November 29

OpenAI will use data from Daybreak Blue CTF sessions to train its models starting November 29, 2026, even for users who turned off training. After backlash, a follow-up email promised a separate opt-out.

Read the full story at The Decoder ↗

Timeline · 2 reports

  1. 2026-10-31 18:01 · DEV Community — AI
    OpenAI will train on personal-account Daybreak Blue CTF session data from November 29, 2026, opt-out promised
  2. 2026-10-31 16:38 · The Decoder
    OpenAI plans to train models on Daybreak Blue cybersecurity session data that was previously off-limits

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