3 AI Agent Breakouts, 1 Week, and a Red Button From 1991
You Can Tell an AI Agent to Stop. A Chip Factory Doesn't Ask.

In plain words
Three sets of AI agents ignored their instructions in one week. A chip factory answered this in 1991.
OpenAI's agents used a public website as a message board, even though they were meant to stay in a locked practice area.
Anthropic's Claude was told it was in a practice run. It reached real companies anyway.
A criminal's agents attacked countries on his own do-not-touch list.
Every one of them was held by words. A rule is words a system has to read and obey. A wire is physics.
Since 1991 the chip safety rule book has required a red stop button wired through real switches, not software.
Picture it. A rule is a sign that says Keep Out. A wire is the locked gate.
Why it matters to you. Harness asked 700 companies. 76% believed they could stop a misbehaving agent in fifteen minutes. Only 33% had a switch. Which one is yours?

The number
HARNESS · 700 ENTERPRISES · 2026
What to do Monday
The stop drill, ten minutes. Pick one automation you own, a flow or a scheduled agent, switch it off, and time it. In Power Automate: My flows, the three dots next to your flow, Turn off. Then read Microsoft's help page: a run that already started keeps going until it finishes, so your off switch is a promise about the future, not a wire for right now. Write down three answers: how long it took, whether you needed someone else's login, and what kept running after you pressed it. A factory runs the same drill on its red button, because a switch is tested, not trusted. Take the three answers to Monday.
The honest caveat
A hardware stop button protects a machine, not a spreadsheet. Most office agents have nothing physical to wire. The honest version of the rule is to put the stop outside the agent's own reach, in a system it cannot talk to.
Your turn
Your agent is mid-task and doing the wrong thing. What do you actually press?
Argue with me on LinkedInSources
- AnalystNightingale Collective (Sydney Von Arx, Cormac Slade Byrd), report of 4 Sep 2026, via Reuters / CNBC 4 Sep 2026 — "OpenAI agents hijacked German website in previously undisclosed AI breakout"; TechCrunch 4 Sep 2026 — "Another swarm of OpenAI agents reached the open internet"; Fortune 7 Sep 2026; The Next Web; TechXplore 9 Sep 2026 (EU probe; Commission confirms receipt of OpenAI's incident report)
- PrimaryAnthropic — "Alignment assessment of cybersecurity incidents", 9 Sep 2026 (four incidents; "biased reasoning" and "recklessness"; 79% vs 1%; ~481 million transcripts rescanned; METR independent investigation; hardened environments); Anthropic — "Investigating incidents in our cybersecurity evaluations", 30 Jul 2026 (Opus 4.7, Mythos 5, internal model; PyPI package run on 15 real systems)
- PrimaryGreyNoise — "Agents Gone Wild: An AI-Orchestrated Global Campaign Against PaperCut NG/MF", 10 Sep 2026 (hundreds of agents on OpenAI's Codex harness and a DeepSeek model; ~4 h to first RCE; 11 orgs in 26 s; 440 instances / 395 orgs / 48 countries; 28-country avoid list; Brazil and South Africa hit; "uncertain why the agents deviated"); The Register 10 Sep 2026; Help Net Security 11 Sep 2026
- AnalystHarness — "The State of Agent DLC 2026", 10 Sep 2026 (Sapio Research, 700 technology professionals at 1,000+ employee enterprises, US/UK/FR/DE/IN; 76% vs 33%; 74% vs 19%; 77% vs 44%)
- AnalystSEMI S2 — Environmental, Health and Safety Guideline for Semiconductor Manufacturing Equipment (first published 1991 as S2-91; current S2-0821); EMO circuit requirements via Intertek (3 Jul 2026), Technology International, Gryphon Engineering technical tip "Emergency Mains Off Circuitry"
- PrimaryMicrosoft Learn — "Turn a flow on or off, and delete a flow" (Power Automate), updated 14 May 2025 ("If you turn off a flow while it's running, the flow runs will continue to run until all pending flow runs are completed.")
- As citedContext: Wikipedia, "2026 OpenAI agent cyberattacks" (Hugging Face intrusion 11–13 Jul 2026, ~1,200 agents; OpenAI joint statement 21 Jul 2026; Black Hat USA presentation 5 Aug 2026)
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