The Maritime Transportation Security Act (MTSA) requires plans to protect OT systems, audits by independent third parties, ...

Described by OpenAI as a new model tuned for defensive cybersecurity tasks, GPT-5.4-Cyber is being offered first to vetted ...

OpenAI Group PBC today announced the launch of GPT-5.4-Cyber, a fine-tuned variant of its GPT-5.4 model designed for ...

After Anthropic unveiled its Claude Mythos AI model, OpenAI introduced its own cybersecurity-focused model, GPT-5.4-Cyber.

OpenAI's limited release of GPT-5.4-Cyber highlights that frontier AI is slowly changing how enterprises approach ...

GPT-5.4-Cyber launch expands defender access and helped fix 3,000+ vulnerabilities, strengthening proactive cybersecurity ...

April 14 (Reuters) - OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically ...

Artificial intelligence company OpenAI said Tuesday that it would release its latest cybersecurity model to a limited number ...

OpenAI launches GPT-5.4-Cyber with binary reverse engineering for verified defenders, scaling access to thousands as it ...

Claude Opus 4.7 improves on performance and usability, but is intentionally dialed down in capability as Anthropic ...

Anthropic briefed Trump administration officials on Mythos before wider access, signaling how seriously it views the model’s ...

OpenAI revoked its macOS signing certificate after a malicious Axios dependency incident on March 31, 2026, preventing ...