Chatbots: Why does White House want hackers to trick AI?

What happens when thousands of hackers gather in one city with the sole aim of trying to trick and find flaws in artificial intelligence (AI) models? That is what the White House wants to know.

This week at the world's largest annual hacker convention - Def Con 31 in Las Vegas - big tech are opening up their powerful systems to be tested side by side for the first time.

Under the spotlight are large language models, those helpful chatbots like OpenAI's ChatGPT and Google's Bard.

Dr Rumman Chowdhury, chief executive of Humane Intelligence and a Responsible AI Fellow at Harvard is one of the organisers of the event.