Google Debuts Gemini 4 Argon, Offers Guardrail-Free Access to Vetted Defenders

Google launched Gemini 4 Argon, a frontier AI model, and is providing guardrail-free access to vetted cybersecurity defenders. The model reportedly identified a critical vulnerability in hospital software, signaling a shift toward offensive AI use in defense. The move raises questions about dual-use risks and the adequacy of vetting processes.