Cognizant (Nasdaq: CTSH) today announced it is applying GPT-5.5 with Trusted Access for Cyber, through its Frontier AI Cyber Defense services, to help enterprises move faster from vulnerability discovery to validated, tested fixes. As a member of the OpenAI Daybreak Cyber Partner Program, Cognizant is putting frontier AI capability into its security experts' hands, helping strengthen how clients defend the software they build and operate.