OpenAI just released its answer to Claude Mythos

<p>OpenAI has announced <strong>Daybreak</strong>, a cybersecurity initiative designed to apply frontier AI to the full defensive cycle: finding vulnerabilities, validating their

Daybreak Red and Daybreak Blue from OpenAI, specialized cyber defense models from OpenAI, are now available on Amazon Bedrock to eligible customers. Both models run with

<h3> Forensic Summary </h3> <p>OpenAI has launched GPT-5.4-Cyber, a cybersecurity-optimised model variant, alongside an expanded Trusted Access for Cyber (TAC) programme targeting

OpenAI says its safeguards “sufficiently reduce cyber risk" for now, while GPT-5.4-Cyber is its first cybersecurity-focused model. www.wired.com/story/in-the...

OpenAI’s new security model is for ‘critical cyber defenders’ only

<!-- SC_OFF --><div class="md"><p>OpenAI has officially announced <strong>GPT-5.4-Cyber</strong> today as part of an expanded <strong>Trusted Access for Cyber Defense</strong>

Use production traffic and security signals to prioritize findings, prepare edge mitigations when safe, and propose code patches. By combining WAF data with OpenAI Daybreak

OpenAI will begin rolling out it cybersecurity testing tool, GPT-5.5 Cyber only "to critical cyber defenders" at first.