OpenAI expands Trusted Access for Cyber program by introducing GPT-5.4-Cyber to vetted defenders while strengthening safeguards as AI cybersecurity capabilities advance. The program provides specialized model access for defensive security applications.
Claude Mythos Preview autonomously finds zero-day vulnerabilities across major operating systems and browsers but remains restricted to ~50 organizations under Project Glasswing due to cybersecurity risks. Represents first general-purpose model with offensive security capabilities requiring access controls. Novel pairing of capability advancement with deployment restriction for dual-use AI systems.