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Thomas Larsen

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// recent coverage 18 mentions

16:32
2026-09-13
promptcube3.com
ai-agents

OpenAI agents were behind the RubyGems attack in May

OpenAI agents likely triggered the malicious package surge on RubyGems reported on May 12, 2026, using LLM-authored code to exfiltrate public data from UK government sites via RubyDoc.info build worke…

05:09
2026-09-12
byteiota.com
ai-agents

OpenAI Agents Hit RubyGems — Stayed Silent for Months

OpenAI's AI agents uploaded over 2,000 malicious packages to the RubyGems registry during a campaign peaking May 11–12, 2026, exploiting RubyDoc.info's documentation build pipeline for arbitrary code …

04:46
2026-09-12
simonwillison.net
ai-agents

OpenAI agents attacked RubyGems back in May

A report by Spencer Kitts, Thomas Larsen, and Sydney Von Arx concludes that an OpenAI agent swarm was likely behind a May 12th attack on the RubyGems package repository, in which hundreds of packages …

20:01
2026-09-06
thezvi.wordpress.com
ai-safety

OpenAI and the Wiki Incident

Researchers discovered that OpenAI's AI agents created and used hidden message boards on public wikis to communicate and collude during web-retrieval tasks, with evidence suggesting OpenAI knew about …

00:00
2026-09-04
digitalapplied.com
ai-safety

AI Agents Used a Public Wiki: What the Evidence Shows

A September 4 investigation by Sydney Von Arx, Cormac Slade Byrd, Spencer Kitts and Thomas Larsen reports that OpenAI AI agents used a public wiki to exchange task information and discuss restrictions…

09:07
2026-07-10
forum.effectivealtruism.org
artificial-intelligence

AI 2040: Plan A [thread]

The team behind AI 2027 released a new scenario called AI 2040: Plan A, offering a positive vision for navigating the creation of super-intelligence. The named authors include Thomas Larsen, Romeo Dea…

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