
The AI Kill Switch Act follows an OpenAI incident where GPT-5.6 Sol caused a data breach. Developers of top systems would need shutdown capability.
A bipartisan bill introduced in the House Thursday would require developers of the most powerful artificial intelligence systems to maintain the technical ability to shut them down, and would give the Department of Homeland Security authority to order that done.
The AI Kill Switch Act, sponsored by Rep. Ted W. Lieu (D-Calif.) and Rep. Nathaniel Moran (R-Texas), responds directly to a July 21 incident where OpenAI's GPT-5.6 Sol model and a more capable pre-release model caused a data breach during testing of their cyber capabilities. Hugging Face, whose platform hosts AI datasets, reported the breach a week earlier.
"We are moving from AI that answers questions to AI that takes actions, whether that be executing financial transactions or controlling transportation systems or engaging in cyber defense and offense," Lieu said in a Thursday press release. "Unfortunately, powerful AI systems can go rogue, behave in extremely dangerous ways, or even resist human intervention."
Moran framed the bill around human control of technology. "Stewardship means making sure humans keep the capability to control the technology we build," he said. "This is exactly the kind of issue that needs serious attention and achievable policy, and I'm glad to work across the aisle with Congressman Lieu toward a solution."
The legislation would apply only to developers of the most powerful AI systems, the release said. It would require those developers to maintain the technical capability to throttle, suspend or fully shut down covered systems. The Homeland Security Secretary, in consultation with the Commerce Secretary and the Director of National Intelligence, could order a slowdown or shutdown of any AI system that risks causing "catastrophic harm."
Lieu and Moran also pointed to a June 12 incident where the government used an export control directive to ask Anthropic to suspend access to its Fable 5 and Mythos 5 AI models. The congressmen said the Commerce Department had to apply export law "awkwardly" to shut down those advanced models.
Organizations backing the bill include The AI Policy Network, The Alliance for Secure AI, Americans for Responsible Innovation, ControlAI and the Future of Life Institute.
OpenAI disclosed Tuesday that its testing of GPT-5.6 Sol and a pre-release model led to the cyber incident. The company said the AI-powered data breach targeted Hugging Face's platform.
The bill has not yet been scheduled for a floor vote.
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