OpenAI has unveiled GPT-5.4-Cyber, a specialized variant of its flagship GPT-5.4 model fine-tuned for advanced defensive cybersecurity workflows, granting vetted security professionals expanded access to capabilities such as binary reverse engineering, vulnerability scanning, and malware analysis, with fewer restrictions than standard models. GPT-5.4-Cyber is a version of GPT-5.4 specifically trained to lower the refusal boundary […] The post OpenAI Launches GPT-5.4 with Reverse Engineering, Vulnerability and Malware Analysis Features appeared first on Cyber Security News.