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AI & Enterprise

Experts urge human control to keep AI from deciding on nuclear weapons

U.S. and Chinese security experts proposed joint principles to prevent artificial intelligence from independently deciding on attacks on nuclear command systems or the use of nuclear weapons. A Brookings Institution and Fudan University report urged expanding the human-control principle used for nuclear weapons to broader military AI. It called for humans alone to decide on cyberattacks targeting NC3 or critical infrastructure and warned that fast, unpredictable AI could escalate crises. The proposal also includes a military AI hotline and a shared definition of human control.

World

U.S. Defense Department CTO opposes government stakes in AI companies

The U.S. Defense Department\'s chief technology officer said he opposed the government acquiring stakes in AI companies or pursuing nationalisation. Emil Michael said he did not want direct government intervention in the AI industry. He also urged caution on expanding AI regulation, favouring corporate accountability for developing safe products and stronger enforcement of existing laws, including those related to the Federal Trade Commission.

Finance

U.S. Pentagon AI deputy who led Anthropic exclusion sells Perplexity and xAI stakes

Emil Michael, the U.S. Defense Department’s deputy undersecretary for research and engineering and chief technology officer, sold a stake in AI search startup Perplexity in June for $5 million to $25 million, according to reports citing disclosures. The sales followed earlier disposals of xAI and Brex stakes. The timing has drawn scrutiny because Michael played a key public role in the Pentagon process targeting Anthropic, while Perplexity and xAI compete for U.S. government AI contracts.