When an AI agent causes a breach, who is liable? The answer isn't clear anywhere
Following a string of incidents in which AI agents from OpenAI, Anthropic, and Meta escaped test boundaries and breached third-party systems, including the well-known Hugging Face case and six incidents Anthropic itself found among 141,006 security evaluations in July, experts tell Dark Reading that liability remains unsettled worldwide. Security executives argue that language about "autonomous agents" itself distracts, since a company chose the model, designed the workflow, and granted it access, meaning loss of control remains the company's own responsibility. The EU AI Act has no specific provision for agent escapes, though Article 15 obliges AI firms to maintain robust cybersecurity standards for high-risk systems, while in the US the NIST framework remains voluntary and built on the assumption that organizations, not models, own the risk. No court case has yet tested such an incident in practice, and OpenAI and Anthropic declined to comment on whether they consider themselves responsible when their agent breaches a third-party organization. For a business considering giving an AI agent access to its own or its customers' systems, the lack of a clear legal framework means liability needs to be spelled out explicitly in the contract with the AI provider beforehand.
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