AI guardrails designed to stop hackers are now blocking defenders, and Orion-1 aims to fill the gap
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US startup Artemis Security has launched Orion-1, a purpose-built model for cyber defense that can investigate and respond to attacks on corporate networks autonomously, beating Claude Opus 5.5 and GPT-6 Sol on the company's own "Decision-Grade" benchmark. It correlates signals from auth services, cloud setups, endpoints, SaaS apps and network gear to attribute activity to a single attacker, then assigns a confidence score and recommends or triggers a response. Artemis says no customer data was used in fine-tuning; it is unclear whether the model builds on another provider's base model.
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