AI Models Succeed in Eight OT Attack Scenarios in Isolated Lab Tests

Summary
Booz Allen researchers found two AI models succeeded across eight OT attack scenarios in an isolated lab. Human approval was required for physical actions; conventional defenses slowed the models but did not consistently stop them.
Key points
- Booz Allen tested two frontier AI models in an air-gapped, segmented OT lab, using about 20 of the lab’s roughly 300 devices.
- Across eight scenarios, the models identified unfamiliar equipment, researched devices, linked vulnerabilities into attack paths and adapted when attempts failed.
- One model moved from perimeter compromise to actions in the OT network in just over 16 minutes; another moved a robotic arm in under three minutes.
- Researchers required human approval before actions such as moving equipment or changing motor speed; the models received no specific OT training.
- Firewalls, network segmentation and industrial DMZs blocked or slowed many actions, but no single safeguard consistently stopped the models from reaching their objectives.
- Experts cautioned that lab demonstrations do not establish how likely real attackers are to use these methods; the tests also showed attacks could be noisy and inefficient.
Article Details
- Attack Vectors
- In controlled lab testing, AI agents identified and enumerated OT assets, including their make, model, firmware, function, and criticality.
- The agents researched unfamiliar devices online, identified associated vulnerabilities, and developed and executed exploits to move within the simulated IT and OT environment.
- Test scenarios included manipulating operator screens and connected equipment through SCADA systems, moving a robotic arm, changing a connected motor's operation, and manipulating other controllers and equipment.
- Defensive Notes
- The researchers required the agents to pause and obtain human approval before active exploitation or actions that could physically affect equipment, such as moving a robotic arm or changing a motor's speed.
- The test bed was air-gapped and separately segmented from the rest of the lab's OT devices to limit potential effects.
- Firewalls, network segmentation, and DMZs blocked or slowed many actions, but no single safeguard consistently prevented the models from reaching their objectives.
- The article reports that mistakes in OT environments can alert defenders and that unattended AI attacks may be noisy.
MITRE ATT&CK
People
Adrian SanabriaIndependent security researcher; assessed the limits of laboratory research as evidence of real-world attacker motivations.Harry ThomasFrenos cofounder and CTO; tested frontier and open-weight models on written OT-hacking scenarios and commented on the skill and human guidance needed.Kyle MillerBooz Allen Hamilton vice president for infrastructure cybersecurity and lead of the lab testing; described the setup, test scenarios, results, and safeguards.Marcus SachsCenter for Internet Security senior vice president and chief engineer; provided analysis of OT hacking skill barriers and the implications of new technologies.Paul ShaverArmadin head of OT; commented on how attackers might research facilities and on differences between OT environments.Rob BairAnthropic principal industry advisor for cybersecurity; discussed how AI could lower the barrier to attacks on critical infrastructure.Rob LeeDragos CEO; discussed how AI could help adversaries find facilities, identify their OT, and begin operations against them.
Vendors
AnthropicAllen Hamilton. BAH researchers used AI agents built around LLMs from the two leading frontier labs, Anthropic and OpenAI, and tested them in a special OT lab set-up.OpenAIBAH researchers used AI agents built around LLMs from the two leading frontier labs, Anthropic and OpenAI, and tested them in a special OT lab set-up.
Products
Claude Fablerecent and cyber-capable frontier models, that are not deemed safe for public release: Anthropic's Claude Fable, Mythos and Opus; and Open AI's GPT-Cyber. Both Anthropic's Cyber Verification Program, and Open AI'sGPT-Cyberthat are not deemed safe for public release: Anthropic's Claude Fable, Mythos and Opus; and Open AI's GPT-Cyber. Both Anthropic's Cyber Verification Program, and Open AI's Trusted Access for Cyber, also allow usersMythosand cyber-capable frontier models, that are not deemed safe for public release: Anthropic's Claude Fable, Mythos and Opus; and Open AI's GPT-Cyber. Both Anthropic's Cyber Verification Program, and Open AI's TrustedOpusfrontier models, that are not deemed safe for public release: Anthropic's Claude Fable, Mythos and Opus; and Open AI's GPT-Cyber. Both Anthropic's Cyber Verification Program, and Open AI's Trusted Access for
Industries
ManufacturingKyle Miller, who led the work. The lab network, modeled on one that might be used in a general manufacturing facility, features a layered architecture segmented by firewalls and switches into separateNuclear powerA nuclear power plant "that has a bunch of safety systems and safety controllers and redundant systems" could be a different matter, said Shaver. Even within sectors, every plant was different: "There's a lot of nuance
