Microsoft says that when integrated with OpenAI's GPT-5.4, its new cybersecurity model can beat Anthropic's new Mythos 5.

That assumption shaped how organizations built security programs, how vendors developed security products, and how regulators measured cyber resilience.

Microsoft (MSFT) unveiled its first cybersecurity model called MAI-Cyber-1-Flash and an agentic security system called Project Perception on Monday.

Microsoft wants to fight AI-powered cyberattacks with AI defenders of its own. The company has unveiled Project Perception, a new agentic security system designed to hunt down weaknesses, investigate threats,

OpenAI is releasing a more permissive version of its cybersecurity model, which the company says is designed for advanced, authorized security work. Why it matters: Even as Anthropic remains in limbo with the U.S. government, the race to get advanced AI ...

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 Trusted Access for Cyber program to thousands of verified ...

Anthropic announced Claude Mythos Preview, which it said is an advanced AI model that excels at identifying weaknesses and security flaws within software. Microsoft, Amazon, Apple, CrowdStrike, Palo Alto Networks and roughly 40 other companies will be able ...

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 announcement last week by competitor Anthropic that its new Claude ...