OpenAI just released its answer to Claude Mythos
…the most capable OpenAI models, Codex, and our security partners.” Daybreak also involves specialized cyber models, including GPT-5.5 with Trusted Access for Cyber and GPT-5.5-Cyber, which began…
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What is Daybreak?
To give the cybersecurity community the upper edge, companies like OpenAI started creating dedicated cybersecurity initiatives that provide a vetted list of companies state-of-the-art models, free of guardrails. The company also provided them with pre-trained AI agents, as well as access to a pool of shared knowledge. Initially launched in June 2026, Daybreak originally included GPT.5-5-Cyber (a model optimized for security work), Codex Security (an agent that can analyze codebases, identify vulnerabilities, validate findings, and help develop patches), Patch the Planet (an initiative with Tra
OpenAI extends 'Daybreak' security project and reveals new cyber model — but for approved users onlyVideos
More videosOkta buys AI security startup Permiso — source says for about $200M | TechCrunch
…to continuously monitoring what users, applications, and AI agents do once gaining authorized access to a network environment. That shift has intensified competition to secure machine identities as enterprises embed AI deeper…
OpenAI, Google, and Anthropic absent from Nvidia-led Open Secure AI Alliance — 30+ companies join security alliance after OpenAI agent breach
…The Open Secure AI Alliance therefore aims to give entities access to advanced open models, agent harnesses, and security tools that they can independently deploy and adapt, reducing dependence on any single…
The ChatGPT desktop app for Mac just got hit with a security breach - Engadget
…The why of it all is a bit convoluted, stemming from a security issue involving open-source code. A widely-used open-source library was compromised and two devices at the company…
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A security breach means you must update the ChatGPT Mac app
…As part of our investigation and response, we engaged a third-party digital forensics and incident response firm. We observed activity consistent with the malware’s publicly described behavior, including unauthorized access…
In the Wake of Anthropic’s Mythos, OpenAI Has a New Cybersecurity Model—and Strategy
…The blog post particularly highlights “resilience to jailbreaks and other adversarial attacks, and improving defensive capabilities.” Finally, the third focus is on investments that the company says support software security and other…
OpenAI models used Artifactory zero-days to escape to the internet
…Anonymous Access is enabled," reads the 7.161.15 Self-Managed release notes . "Anonymous Access is disabled by default and is not recommended for production environments due to the additional security risks…
OpenAI doubles down on cyber defense: GPT-5.5-Cyber limited preview now available
…While OpenAI's primary competitor, Anthropic, restricted its latest and greatest Mythos model to a select few companies, OpenAI took the opposite approach by broadening access to its security-focused model for…
But wait, there's more - rogue OpenAI agent accessed Modal before Hugging Face
…And there's more still; apparently, the rogue AI then accessed Modal through one of its customers' exploits, and then used Modal Labs as a stepping stone to carry out its attacks…
Daybreak is OpenAI's response to Anthropic's Claude Mythos - Engadget
…for general purposes and GPT-5.5 with Trusted Access for Cyber for most defensive security workflows, including "secure code review, vulnerability triage, malware analysis, detection engineering and patch validation." It will…