A blacklisted Chinese company claims to have developed a "cyber nuclear weapon" that could be used to hack Western companies and governments. Zhou Hongyi, the chief executive of cybersecurity company Qihoo 360, said it had built an AI system that matched the capabilities of Anthropic's Claude Mythos, the most powerful US AI technology. Qihoo has been blacklisted by the US government since 2020 over claims that it is linked to the Chinese military. Earlier this month, the Pentagon accused Qihoo of being a "military civil fusion contributor to the Chinese defence industrial base" tied to Beijing's intelligence agencies. ...China will...