Thalha Jubair, 20, and Owen Flowers, 19, sentenced to five and a half years each for cyber-attack that cost Transport for London £39m

The data of millions of commuters was stolen, Londoners were left out of pocket and 27,000 Transport for London staff were forced to reset their passwords.

Over four days in 2024 a pair of teenage hackers had London’s transport network at their mercy. Thalha Jubair and Owen Flowers had burrowed into the heart of Transport for London’s IT systems and held the “keys to the kingdom”.

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© Photograph: William Barton/Alamy

© Photograph: William Barton/Alamy

© Photograph: William Barton/Alamy

A.I. chatbots are not just a propaganda tool for violent extremists but are aiding in bomb construction and attack planning, new research finds.

Federal officials are urging the lone major tech company holdout to allow government safety evaluations, weeks after ordering Anthropic to pull its latest model.

A recent episode underscored the Trump administration’s increasing reliance on advanced A.I. systems for cybersecurity even as it battles a leading U.S. developer.

Several countries have restricted the messaging app, a valuable platform for dissidents, criminals and extremists. Here’s an overview.

Workers at the artificial intelligence company have been puzzled and increasingly concerned by the administration’s move to limit their latest A.I. models.

OpenAI said that a coalition of states had opened an investigation over a wide range of its practices, including its handling of user data, safety of minors and advertising activities.

The company said on Friday night that the federal government had ordered limits on its Mythos and Fable 5 A.I. systems, citing national security concerns.

The flaw, which Meta said it had fixed, allowed anyone to take over accounts using a bug in the company’s new artificial intelligence software.

Encryption systems rely on “random” numbers, but conventional computers can’t generate them perfectly. New research shows that quantum physics can.

Called Claude Fable 5, it is twice as expensive as the company’s previous flagship system.

Researchers at the University of Toronto showed how hackers could use artificial intelligence to create a program that could target any known flaw in the world’s computers.