In a significant step toward strengthening digital security, OpenAI has introduced GPT 5.4 Cyber, a specialised artificial intelligence model designed for advanced cybersecurity operations. Released under the Trusted Access for Cyber (TAC) programme, the model aims to support professionals in detecting vulnerabilities, analysing malware, and enhancing system defence.
GPT 5.4 Cyber is a fine-tuned version of the broader GPT-5.4 model, specifically built for security applications. It enables experts to analyse large codebases, identify potential threats, and understand complex software behaviour with greater efficiency.
One of its key capabilities is binary reverse engineering, which allows users
