X @Sam Altman

we'd like to help companies secure themselves and we think it's important to start work on this quicklyfouad (@fouadmatin):Today, we're rolling out GPT‑5.5‑Cyber in limited preview to defenders responsible for securing critical infrastructure.GPT-5.5 with Trusted Access for Cyber (TAC) is still the best option for developers to find and patch vulnerabilities in their code.It's a very good model. ...