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Part of The AI Control Crisis · 15 stories · since Sep 3 · newest 11m ago

Claude Opus 5 used to breach OpenAI's internal systems in under 72 hours

Wall Street Journal and news outlets disclose the breach

1 Sep 18 · 5d ago · 12 articles · 2 posts · 4 sources · development 1 of 3

Hacktron AI disclosed their findings for the first time to the Wall Street Journal. Coverage describes how the researchers breached OpenAI's internal systems using Claude, accessed the company's prized "Monorepo" source code repository, and received a $6,500 bounty from OpenAI's bug bounty program.

Wall Street Journal and news outlets disclose the breach
nypost.com

“I don't think we are as strong as Chinese threat actors. We're just three guys with Claude and Codex subscriptions.”

Mohan Pedhapati

Mohan Pedhapati Chief Technology Officer, Hacktron AIHacktron AI Security research firmOpenAI AI company attackedAnthropic AI company whose Claude was used in breach

The whole story articlesvideosposts the bright band is this development · numbered dots are the others · click one to jump

Peak 12 pieces in two hours at Sep 17, 11 PM; 69 pieces over 7 days (36 articles · 1 video · 32 posts) Sep 16, 1 PM — 1 piece · 1 article — Google News 1Sep 16, 3 PM — quietSep 16, 5 PM — quietSep 16, 7 PM — quietSep 16, 9 PM — quietSep 16, 11 PM — quietSep 17, 1 AM — quietSep 17, 3 AM — quietSep 17, 5 AM — quietSep 17, 7 AM — quietSep 17, 9 AM — quietSep 17, 11 AM — quietSep 17, 1 PM — quietSep 17, 3 PM — quietSep 17, 5 PM — quietSep 17, 7 PM — quietSep 17, 9 PM — 1 piece · 1 article — Google News 1Sep 17, 11 PM — 12 pieces · 10 articles · 2 posts — Newswires 10, Bluesky 1, Mastodon 1Sep 18, 1 AM — quietSep 18, 3 AM — quietSep 18, 5 AM — 1 piece · 1 article — Newswires 1Sep 18, 7 AM — 1 piece · 1 post — Mastodon 1Sep 18, 9 AM — 6 pieces · 6 articles — Newswires 3, Google News 3Sep 18, 11 AM — 4 pieces · 2 articles · 2 posts — Newswires 2, Mastodon 1, Reddit 1Sep 18, 1 PM — 5 pieces · 2 articles · 3 posts — Mastodon 2, Newswires 1, Google News 1, +1 moreSep 18, 3 PM — 2 pieces · 2 posts — Mastodon 2Sep 18, 5 PM — 5 pieces · 5 articles — Google News 3, Newswires 2Sep 18, 7 PM — 3 pieces · 2 articles · 1 video — Newswires 2, YouTube 1Sep 18, 9 PM — quietSep 18, 11 PM — quietSep 19, 1 AM — 4 pieces · 1 article · 3 posts — Hacker News 1, Newswires 1, Bluesky 1, +1 moreSep 19, 3 AM — quietSep 19, 5 AM — quietSep 19, 7 AM — 3 pieces · 2 articles · 1 post — Hacker News 1, Google News 1, Newswires 1Sep 19, 9 AM — quietSep 19, 11 AM — 1 piece · 1 article — Newswires 1Sep 19, 1 PM — 1 piece · 1 post — Bluesky 1Sep 19, 3 PM — 5 pieces · 1 article · 4 posts — Mastodon 3, Hacker News 1, Newswires 1Sep 19, 5 PM — 1 piece · 1 post — Bluesky 1Sep 19, 7 PM — quietSep 19, 9 PM — 1 piece · 1 article — Google News 1Sep 19, 11 PM — quietSep 20, 1 AM — 1 piece · 1 post — Bluesky 1Sep 20, 3 AM — quietSep 20, 5 AM — quietSep 20, 7 AM — 1 piece · 1 post — Mastodon 1Sep 20, 9 AM — quietSep 20, 11 AM — quietSep 20, 1 PM — 2 pieces · 2 posts — Bluesky 2Sep 20, 3 PM — quietSep 20, 5 PM — quietSep 20, 7 PM — quietSep 20, 9 PM — quietSep 20, 11 PM — quietSep 21, 1 AM — quietSep 21, 3 AM — quietSep 21, 5 AM — quietSep 21, 7 AM — quietSep 21, 9 AM — 1 piece · 1 post — Bluesky 1Sep 21, 11 AM — 3 pieces · 3 posts — Bluesky 2, Mastodon 1Sep 21, 1 PM — 2 pieces · 2 posts — Hacker News 1, Mastodon 1Sep 21, 3 PM — quietSep 21, 5 PM — quietSep 21, 7 PM — quietSep 21, 9 PM — quietSep 21, 11 PM — quietYesterday, 1 AM — quietYesterday, 3 AM — 1 piece · 1 post — Bluesky 1Yesterday, 5 AM — quietYesterday, 7 AM — quietYesterday, 9 AM — quietYesterday, 11 AM — quietYesterday, 1 PM — quietYesterday, 3 PM — 1 piece · 1 post — Bluesky 1Yesterday, 5 PM — quietYesterday, 7 PM — quietYesterday, 9 PM — quietYesterday, 11 PM — quietToday, 1 AM — quietToday, 3 AM — quietToday, 5 AM — quietToday, 7 AM — quietToday, 9 AM — quietToday, 11 AM — quietToday, 1 PM — quietToday, 3 PM — quietToday, 5 PM — quietToday, 7 PM — quietToday, 9 PM — quiet 123
1Wall Street Journal and news outlets…2OpenAI confirms breach and patches both…3Security experts note AI has lowered the…
Sep 17Sep 18Sep 19Sep 20Sep 21yesterdaynow · 11:58 PM ET

What was reported 3 claims about this development

  1. 1 outlet Three guys using Anthropic’s Claude hacked into OpenAI and accessed its source code for $6,500 reward

    first by Fortune, 5d ago

  2. 1 outlet AI News: Anthropic's Claude Reportedly Used in OpenAI Breach

    first by The Coin Republic, 5d ago

  3. 1 outlet Security Researchers Hacked OpenAI Using Anthropic's Claude

    first by PCMag, 5d ago

What people said 2 voices · verbatim

All 3 developments of Claude Opus 5 used to breach OpenAI's internal systems in… →

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