Cyber Security Working Model Computer

OpenAI launches a less restricted GPT-5.4 Cyber model

OpenAI unveils GPT‑5.4‑Cyber, an AI model for defensive cybersecurity

OpenAI has announced a new AI model called GPT-5.4-Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” variant of its GPT-5.4 is built for defensive cybersecurity and not public use.

eWeek · 19h

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

The Next Web · 16h

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

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 ...

SecurityWeek

Anthropic Unveils ‘Claude Mythos’ – A Cybersecurity Breakthrough That Could Also Supercharge Attacks

Anthropic launches Claude Mythos and Project Glasswing to strengthen cybersecurity—while experts warn the same tech could ...

Investor's Business Daily on MSN

Cybersecurity stocks climb amid Anthropic's Project Glasswing launch

Many cybersecurity firms will join Anthropic's Project Glasswing, after cyber stocks tumbled earlier this year on AI ...

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 ...

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