Claude Fable 5 and why a Zero Trust security model is the best defense against AI cyber threats

The article warns that advanced AI models (e.g., Anthropic’s Mythos and Fable) can speed up exploit development and that vendors are moving toward access controls rather than removing offensive capabilities; it advises defenders to assume sophisticated tooling will become more accessible and to adopt Zero Trust principles (deny-by-default, least privilege, continuous verification) to mitigate AI-accelerated threats.