OpenAI’s New GPT-5.4-Cyber Raises The Stakes For AI And Security

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

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

Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant ...

OpenAI GPT-5.4-Cyber — The Security Of Tomorrow Or A PR Response To Claude Mythos?

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

[Free] Using Python for Cyber Offense and Defense eBook (worth $30)[Free] Using Python for Cyber Offense and Defense eBook (worth $30)0 0

Offering downloadable sample code, the book is written to help you discover how to use Python in a wide variety of cybersecurity situations. Claim your complimentary copy of "Using Python for Cyber ...
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 ...