Palo Alto Networks' Unit 42 now uses Mythos 5, GPT-5.6-Cyber, and open models for continuous attack-path testing. Its own results show why buyers should judge the harness, controls, and remediation workflow, not just the models.
OpenAI is giving approved defenders access to GPT-5.6-Cyber through a new Daybreak Red tier. The launch is less a general chatbot upgrade than a test of whether advanced exploit validation can be useful inside identity checks, scoped permissions, monitoring, hardware-key requirements, and human review.