Cyber Security with Python

OpenAI launches a less restricted GPT-5.4 Cyber model

OpenAI launches GPT-5.4-Cyber model for vetted security pros

OpenAI Group PBC today announced the launch of GPT-5.4-Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant expansion of its Trus...

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OpenAI unveils GPT-5.4-Cyber a week after rival's announcement of AI model

eWeek · 8h

OpenAI Debuts GPT-5.4-Cyber, a Locked-Down AI Model for Cyber Defense

Wyoming News · 11h

OpenAI announces restricted-access cybersecurity model

Artificial intelligence company OpenAI said Tuesday that it would release its latest cybersecurity model to a limited number of partners, after rival Anthropic also restricted release of a new system ...

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In the Wake of Anthropic’s Mythos, OpenAI Has a New Cybersecurity Model—and Strategy

The Hacker News · 17h

OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams

The Next Web

OpenAI opens its cybersecurity model to thousands of defenders in race with Anthropic’s Mythos

OpenAI launches GPT-5.4-Cyber with binary reverse engineering for verified defenders, scaling access to thousands as it competes with Anthropic's restricted Mythos model.

CSO Online

Leak reveals Anthropic’s ‘Mythos,’ a powerful AI model aimed at cybersecurity use cases

The draft blog post describes a compute‑intensive LLM with advanced reasoning that Anthropic plans to roll out cautiously, starting with enterprise security teams.

Computer Weekly

In cyber security, basics matter, even in 2025

What a year 2025 has been: Rich in both cyber events and innovations alike. On the latter, not a week has passed without a mention of innovation in Artificial Intelligence (AI). I am excited about the innovative ways AI is going to be used to benefit our ...