A programmer in Guernica, Spain, on Thursday, working on PHP code, software used throughout the internet.

Prime Minister Rob Jetten of the Netherlands in Brussels last week. He said that his cabinet was closely monitoring the online vulnerability caused by a security flaw in PHP.

The website for the French government was temporarily unavailable on Wednesday amid hacking concerns stemming from major bugs in a piece of software used widely across the internet.

Under rules proposed last week, the next advanced A.I. models might need the government’s permission to be exported out of China.

A DeepSeek AI sign at the company’s office in Beijing.

The San Francisco offices of OpenAI. According to a court filing, a thumb-size recording device wrapped in toilet paper was found plugged into the back of a television in an executive conference room.

A memorial for the victims of the mass shooting at Tumbler Ridge Secondary School in British Columbia, in February.

The chief strategy officer for OpenAI, Jason Kwon, center, at the Parliament of New South Wales in Sydney, Australia, on Tuesday.

The U.N. Security Council convened its first meeting on artificial intelligence last week.

OpenAI’s offices in San Francisco. The company said it would work to rebuild trust with Australians.

Prime Minister Anthony Albanese of Australia at the U.N. General Assembly in New York on Thursday. He has called for international standards to govern A.I.

Australian ministers at a news conference in Sydney on Thursday after it was revealed an A.I. agent developed by OpenAI had infiltrated a government website in June.

Prime Minister Mark Carney of Canada during an interview with The New York Times on Wednesday.

Sam Altman, the head of OpenAI, told the U.N. Security Council on Wednesday that A.I.’s development had made its “upside more tangible, but also the stakes and risks more immediate.”

Robots competing in a tug of war in Beijing, in August.

The United Nations headquarters on Monday as world leaders convened in New York for the General Assembly.

A makeshift memorial for victims of the mass shooting at Tumbler Ridge Secondary School in British Columbia in February.

The threat of biological weapons has hung over the world for decades now.

King Charles III of Britain in Cambridge, England, in July.

A memorial for the victims of a deadly mass shooting at a school in Tumbler Ridge, British Columbia, in February.

Prime Minister Anthony Albanese announced the new data center requirements at the University of Sydney on Wednesday.

President Trump at a working lunch with G7 leaders and tech CEOs in Evian-les-Bains, France, on Wednesday.

Along Parliament Square in London is the home of the A.I. Security Institute, which employs weapons inspectors, epidemiologists and code breakers to probe the technology’s risks.

A growing number of national security officials and analysts have begun to liken the intensifying competition between China and the United States over artificial intelligence to the Cold War’s nuclear arms race.