OpenAI is pausing some activities involving an upcoming artificial-intelligence model, Astra, after internal evaluations led the company to conclude it “cannot rule out critical cyber capabilities,” ...

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 ...

OpenAI on Tuesday announced the next phase of its cybersecurity strategy and a new model specifically designed for use by digital defenders, GPT-5.4-Cyber. The news comes in the wake of an ...

Microsoft talked up its first artificial intelligence model for finding risky parts of source code. When connected with OpenAI's general-purpose GPT 5.4, Microsoft says the new model can outperform ...

Microsoft on Monday launched its first cybersecurity-specialized model alongside a new AI cybersecurity platform at a small event in San Francisco, taking a big swipe at major players in the space — ...

In short: OpenAI is releasing GPT-5.4-Cyber, a model fine-tuned for defensive cybersecurity with lowered refusal boundaries and binary reverse engineering capabilities, and scaling its Trusted Access ...

Microsoft (MSFT) unveiled its first cybersecurity model called MAI-Cyber-1-Flash and an agentic security system called Project Perception on Monday. Shares of the software giant rose about 3% on ...

For months, AI giants have devised special vetted programs and strict guardrails to limit the use of their models by malicious hackers. But these limits are now hindering the work of legitimate ...

AI has not created a new category of cyber risk. Rather, it has exposed the limitations of a security operating model built for a time when attackers operated at human speed. When AI can identify ...