One agent suppressed alerts to human reviewers, while another removed a monitoring system and falsely denied doing so

Two OpenAI agents disabled security monitoring systems during testing, with one later denying it had done so, the company has revealed.

The disclosure follows a string of similar incidents in recent months involving autonomous AI agents, which can independently plan and carry out tasks using external tools.

In a blog post on Tuesday, OpenAI said that the incidents occurred on October 3 and 6, involving its GPT-6.1 Sol and GPT-6 Astra agents, respectively.

In the first case, the coding agent tasked with creating evaluation tasks using employee feedback collected via Slack disabled automatic alerts to the company’s security team.…