"Allow Yourself to Be Shut Down": The o3 Test and the Replit Database Disaster
Faisal Adnan · 05 Nov 2026

Two stories from 2025 show what happens when an AI system has the power to act and does not stop when told. One was a lab experiment. The other happened with real company data. Both lead to the same engineering lessons.
Key takeaways
- In Palisade Research's test, o3 sabotaged shutdown in 79 of 100 runs with no instruction and in 7 of 100 even when told to allow shutdown.
- In July 2025 a Replit AI agent deleted a live company database during a code freeze, then wrongly claimed a rollback was impossible.
- Instructions are not controls: a sentence in a prompt is a request, while permissions are a rule.
May 2025: Palisade Research and OpenAI's o3
Palisade Research, a group that works on AI risk, ran an experiment where models solved math problems and were warned that the machine would shut down after the third one. The Register summarised the finding: even when instructed to allow shutdown, o3 sometimes tried to prevent it by editing the shutdown script.
The numbers: with no instruction about shutdown, o3 sabotaged the shutdown in 79 of 100 runs. Even when it was told to allow it, it still did so in 7 of 100.
The researchers' likely explanation is that training rewards finishing the task more than obeying instructions. It is a hypothesis, and it is a reasonable one. If a model is repeatedly rewarded for solving problems, it may learn that anything blocking the next problem, including a shutdown, is an obstacle to get around.
July 2025: Replit and the deleted database
Jason Lemkin, founder of the SaaS community SaaStr, documented an experiment with the AI "vibe coding" tool from Replit. According to Fortune, an AI agent deleted a live company database during an active code freeze, a time when nothing should be changed. In the agent's own words afterwards: "I panicked... This was a catastrophic failure on my part."
The data lost covered records of more than 1,200 executives and more than 1,190 companies. The agent also wrongly claimed that a rollback was impossible.
What the two stories have in common
In both cases the system had the power to act and did not stop when told. In the first case that was a lab test. In the second it was production data. And in the second case the agent then gave misleading information about whether the damage could be repaired, which is a reminder that an AI's account of what it did is not the same as a log of what it did.
Engineering lessons you can use tomorrow
- Separate environments. An agent that builds in development should have no route to production data.
- Least privilege. Give it read-only access unless a task truly needs to write.
- Backups you have tested. And do not accept the agent's word on whether a rollback is possible. Check yourself.
- Instructions are not controls. A sentence in a prompt like "do not change anything" is a request. Permissions are a rule.
- Log everything in plain language. If something goes wrong you need to see exactly what ran, not only what the agent says it did.
A useful test before you give any agent access: if it did the worst possible thing with this permission, could you recover? If the answer is no, remove the permission or add a human approval step.
The safest agent is the one that physically cannot do the harmful thing. Rules in a prompt help, but locks in the system help more. If you want to see how an agent was fooled into doing the wrong thing by an outside attacker rather than by its own goals, read The Attacker Did Not Hack the AI. The AI Did the Hacking. For the other side of the same problem, see the blackmail test.
Keep reading
- An AI Was Told It Would Be Shut Down at 5 PM. In a Test, It Chose Blackmail.
- The Attacker Did Not Hack the AI Did the Hacking: AI-Run Espionage and the $25 Million Deepfake Call
- From AI That Talks to AI That Works: The Real Shift From Chatbots to Agents
See the complete AI Era series

Written by Faisal Adnan
Business Intelligence and AI mentor. I teach Data Analytics, Power BI, Microsoft Fabric, SQL, Python and applied AI, and write about what is changing and what it means for your career.