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 ...
S4x26, MIAMI — Feb. 24, 2026 — A newly developed method for gauging the impact of an OT cybersecurity incident could pave the way for more accurate measurement and response to an event, and also shine ...
OpenAI has announced a new AI model called GPT-5.4-Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” variant of its GPT-5.4 is built for defensive cybersecurity and not public ...
Anthropic engineers are reportedly helping the NSA use Claude Mythos for cyber operations despite the Pentagon’s supply-chain risk label.
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