
NEW · Severity Normal. On November 4, OpenAI announced GPT-5.6 Cyber availability to approved customers in AWS GovCloud (US-East) through Daybreak Red. The expansion enables authorized government security teams to use the existing purpose-trained model for vulnerability research, exploit validation and mitigation in a government cloud environment. What changed: a new deployment region and access channel, not a newly released model. Who it affects: approved government cybersecurity teams and contractors operating in AWS GovCloud US-East. Action: review eligibility and request Daybreak Red access; require qualified practitioner review of results. Deadline: none announced.