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I read Anthropic's 92-page risk factor document, so you don't have to – video explainer

Anthropic, the creator of Claude, filed to go public on the US stock market on 26 October. The company's filing statement contains a 92-page risk factor document in which it acknowledges the dangers that AI poses to society and human beings, and factors that could negatively affect Anthropic's business. Johana Bhuiyan, senior tech reporter for the Guardian, breaks down the document and explains why Anthropic's IPO could be a real test to the AI boom

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© Photograph: NurPhoto/Shutterstock

© Photograph: NurPhoto/Shutterstock

© Photograph: NurPhoto/Shutterstock

Tech sell-off drives US markets down by nearly $1tn after subpar earnings reports

Big tech stocks falter as investors question whether billions being poured into AI can generate returns quickly enough

A sell-off of tech stocks that began earlier this month and gained steam with disappointing earnings from leading tech companies drove US markets down by hundreds of billions of dollars Friday. In total, the decline has knocked nearly $1tn in value off the tech-heavy Nasdaq exchange in one week and erased about $2tn in a month.

The S&P 500, the index of the 500 most valuable companies in the US, fell by more than 1% Friday, losing hundreds of billions of dollars in market value. It was on track to erase its gain for October, even though it set its all-time high during the same month. The weakness for technology stocks dragged the Nasdaq composite down even further, more than 3%, also erasing hundreds of billions in value. The Dow Jones Industrial Average fell less.

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© Photograph: Brendan McDermid/Reuters

© Photograph: Brendan McDermid/Reuters

© Photograph: Brendan McDermid/Reuters

Tech sell-off drives US markets down by nearly $1tn after subpar earnings reports

30 October 2026 at 21:27

Big tech stocks falter as investors question whether billions being poured into AI can generate returns quickly enough

A sell-off of tech stocks that began earlier this month and gained steam with disappointing earnings from leading tech companies drove US markets down by hundreds of billions of dollars Friday. In total, the decline has knocked nearly $1tn in value off the tech-heavy Nasdaq exchange in one week and erased about $2tn in a month.

The S&P 500, the index of the 500 most valuable companies in the US, fell by more than 1% Friday, losing hundreds of billions of dollars in market value. It was on track to erase its gain for October, even though it set its all-time high during the same month. The weakness for technology stocks dragged the Nasdaq composite down even further, more than 3%, also erasing hundreds of billions in value. The Dow Jones Industrial Average fell less.

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© Photograph: Brendan McDermid/Reuters

© Photograph: Brendan McDermid/Reuters

© Photograph: Brendan McDermid/Reuters

How crypto hacking funds isolated North Korea’s nuclear programme

Cryptocurrency theft is estimated to generate half of the country’s foreign currency income

North Korea plays by its own rules. The isolated, secretive and autocratic country is largely cut off from the world’s economic system – but when it comes to generating foreign earnings it relies on some of the world’s most sophisticated hacking.

Experts, such as TRM Labs, quickly attributed the extraordinary $6.3bn (£4.7bn) Binance cryptocurrency theft to TraderTraitor, an elite North Korean hacking unit that has also been known as the Lazarus Group. Though the link may not be proven yet, the pattern of behaviour is familiar.

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© Photograph: AP

© Photograph: AP

© Photograph: AP

Ghost in the machine: how AI is haunting the search for the supernatural

30 October 2026 at 18:00

Ghost hunting has changed in recent years due to AI chatbots, and paranormal enthusiasts are concerned

Ghost hunting is a tech-heavy pursuit. When Amy Waine and Jarrad Cutting investigate haunted locations, they’re loaded up with software of their own design, such as an app that assigns signals from a phone’s sensors to different words in a database. In the age of ChatGPT, the ghost-hunting pair is probing the world of AI. They describe one of their latest inventions, an app called GhostTube Seer, as “the world’s first AI Ghost Hunting tool”.

In the hands of paranormal investigators, scientific tools like EMF meters (used to detect electromagnetic fields) are repurposed to identify changes and anomalies that they believe indicate supernatural activity. Seer is, in many ways, simply an expansion of that practice, another way to scan an empty room and believe that something may be there. The app, which requires a paid monthly subscription, has more than 1m downloads, according to its Google Play store listing.

But for others in the ghost hunting world, AI is an unwelcome presence. Since the release of ChatGPT in 2022, AI-generated ghost stories and images of the supernatural have flooded online spaces, so much so that popular forums like the r/Nosleep subreddit, meant for scary stories, have implemented a strict policy against AI-generated material.

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© Illustration: Guardian Design/Getty Images

© Illustration: Guardian Design/Getty Images

© Illustration: Guardian Design/Getty Images

Experts warn AI copyright changes could breach Australian constitution and spark huge compensation rights case

30 October 2026 at 17:00

Scraping copyrighted material from internet could ‘potentially’ amount to acquisition of property by government, Anne Twomey says

Altering copyright law to allow AI companies to scrape music, books and journalism could trigger a constitutional breach, Coalition senators and the recording industry have warned, as they raise new fears it could open Australia to massive legal action and compensation claims from rights holders worldwide.

The attorney general’s department admitted it was “extremely alive” to the issue, and Australia’s leading constitutional expert, Anne Twomey, agreed there was “potentially” a concern – depending how legislation was drafted – that granting AI companies permission to scrape copyrighted material from the internet could amount to an acquisition of property by the government.

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© Photograph: Lukas Coch/AAP

© Photograph: Lukas Coch/AAP

© Photograph: Lukas Coch/AAP

Electrocutions, disease and no pay: how workers risk exploitation in Europe’s datacentres

30 October 2026 at 08:00

As thousands of datacentres are constructed across Europe, the Guardian and Investigate Europe have uncovered disturbing evidence that some workers building them are exposed to dangerous conditions and living in fear of speaking out

Sandu* checked his watch. He was winding down the last 15 minutes of his shift at a vast Google datacentre site in Saint-Ghislain, Belgium, in March, when the call came in. The 34-year-old electrical tester had already worked almost 10 hours, but says such last-minute jobs were normal: “I had no choice. People have been fired after saying no.”

The task was one Sandu had done many times before and involved a series of tests measuring the safety and integrity of the electrical wiring. A protective suit was locked away in an equipment room. The round trip would have added another 15 minutes to the job, he says, and people were waiting, so he decided not to retrieve the suit.

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© Illustration: Alamy/Mei-Ling McNamara

© Illustration: Alamy/Mei-Ling McNamara

© Illustration: Alamy/Mei-Ling McNamara

Electrocutions, disease and no pay: how workers risk exploitation in Europe’s datacentres

30 October 2026 at 08:00

As thousands of datacentres are constructed across Europe, the Guardian and Investigate Europe have uncovered disturbing evidence that some workers building them are exposed to dangerous conditions and living in fear of speaking out

Sandu* checked his watch. He was winding down the last 15 minutes of his shift at a vast Google datacentre site in Saint-Ghislain, Belgium, in March, when the call came in. The 34-year-old electrical tester had already worked almost 10 hours, but says such last-minute jobs were normal: “I had no choice. People have been fired after saying no.”

The task was one Sandu had done many times before and involved a series of tests measuring the safety and integrity of the electrical wiring. A protective suit was locked away in an equipment room. The round trip would have added another 15 minutes to the job, he says, and people were waiting, so he decided not to retrieve the suit.

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© Illustration: Guardian Pictures/Alamy/Mei-Ling McNamara

© Illustration: Guardian Pictures/Alamy/Mei-Ling McNamara

© Illustration: Guardian Pictures/Alamy/Mei-Ling McNamara

North Korea is likely culprit behind $6.3bn crypto hack, ‘largest heist in history’

Binance exchange says it will cover customer losses as it scrambles to freeze affected assets, with about $3bn located so far

The world’s largest cryptocurrency exchange has been hit by a record $6.3bn (£4.7bn) hack described as the biggest heist in history, with experts identifying North Korea as the likely culprit.

Binance said it would cover all customer losses as it froze $3bn of the affected assets.

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© Photograph: Darrin Zammit Lupi/Reuters

© Photograph: Darrin Zammit Lupi/Reuters

© Photograph: Darrin Zammit Lupi/Reuters

North Korea is likely culprit behind $6.3bn crypto hack, ‘largest heist in history’

30 October 2026 at 19:35

Binance exchange says it will cover customer losses as it scrambles to freeze affected assets, with about $3bn located so far

The world’s largest cryptocurrency exchange has been hit by a record $6.3bn (£4.7bn) hack described as the biggest heist in history, with experts identifying North Korea as the likely culprit.

Binance said it would cover all customer losses as it froze $3bn of the affected assets.

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© Photograph: Darrin Zammit Lupi/Reuters

© Photograph: Darrin Zammit Lupi/Reuters

© Photograph: Darrin Zammit Lupi/Reuters

Manosphere and online misogyny should be treated as public health issues, say UK experts

Report calls for an effort to tackle harms in similar way to obesity and smoking, and stresses need to ‘offer boys something better’

The manosphere and online misogyny should be treated by the government as a public health issue, in the same way as obesity or smoking, experts have said.

Writing in the Lancet, the authors of a new report argue that a coordinated response is needed, involving governments, schools, health services and community organisations, similar to the public-health response to tobacco use and ultra-processed food.

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© Photograph: miniseries/Getty Images

© Photograph: miniseries/Getty Images

© Photograph: miniseries/Getty Images

Polymarket temporarily suspends trading on international platform due to security incident

30 October 2026 at 02:20

Security incident linked to performance-monitoring tool spurred platform to halt trading for about an hour

Polymarket temporarily halted trading on its international platform on Thursday because of a security incident that compromised a third-party provider, the company said.

Trading was paused for about an hour and resumed on Thursday afternoon. The company has promised to fully reimburse any affected traders.

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© Photograph: Bloomberg/Getty Images

© Photograph: Bloomberg/Getty Images

© Photograph: Bloomberg/Getty Images

More than half of Victorian lawyers use AI – but only a quarter have cut client fees as a result

Research finds 55% of lawyers are using AI in legal practices, up from 37% last year, though efficiency gains aren’t as high as expected

More than half of Victoria’s lawyers have reported using AI in their work, according to a new study, but just over a quarter say they have reduced fees as a result of efficiency gains.

They also say clients seeking advice from chatbots have added to their workload, forcing them to correct errors made by AI.

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© Photograph: Posed by models; Jacob Wackerhausen/Getty Images

© Photograph: Posed by models; Jacob Wackerhausen/Getty Images

© Photograph: Posed by models; Jacob Wackerhausen/Getty Images

DHS cites risk to more than 40,000 personnel in effort to take leaked data offline

The Department of Homeland Security asked an Icelandic hosting company to take down data obtained through hack

The US Department of Homeland Security (DHS) asked ⁠an Icelandic hosting company on Thursday to take down or limit access to data related to thousands ⁠of agency personnel, saying ⁠the content ​put them at risk, according to the request posted online by hosting company FlokiNET.

The database “places more than ⁠40,000 identifiable individuals at risk of harassment, stalking and physical harm”, the request said.

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© Photograph: Julius Constantine Motal/The Guardian

© Photograph: Julius Constantine Motal/The Guardian

© Photograph: Julius Constantine Motal/The Guardian

Brazil’s victory for the planet and democracy: seven lessons from Lula’s win

29 October 2026 at 20:46

The trouncing of the far right provides a playbook for social and environmental movements in other countries facing elections, including the US, Spain and France

Thank you, Brazil, for demonstrating how the far right can be trounced while protection for the Amazon is strengthened. In a world where nature and democracy appeared to be bleeding out in tandem, voters and forest defenders in this global south powerhouse have shown it is possible to staunch the flow. This should provide much needed inspiration and, more practically, a playbook for social and environmental movements in other countries facing elections, including the US, Spain and France.

The astonishing comeback victory of Luiz Inácio Lula da Silva in Sunday’s presidential runoff against his extreme right challenger Flavío Bolsonaro has brought oceans of rapturous supporters on to the streets, while also thrilling conservationists, climate activists and social justice campaigners across the world.

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© Photograph: Andre Coelho/EPA

© Photograph: Andre Coelho/EPA

© Photograph: Andre Coelho/EPA

Brazil’s victory for the planet and democracy: seven lessons from Lula’s win

29 October 2026 at 20:46

The trouncing of the far right provides a playbook for social and environmental movements in other countries facing elections, including the US, Spain and France

Thank you, Brazil, for demonstrating how the far right can be trounced while protection for the Amazon is strengthened. In a world where nature and democracy appeared to be bleeding out in tandem, voters and forest defenders in this global south powerhouse have shown it is possible to staunch the flow. This should provide much needed inspiration and, more practically, a playbook for social and environmental movements in other countries facing elections, including the US, Spain and France.

The astonishing comeback victory of Luiz Inácio Lula da Silva in Sunday’s presidential runoff against his extreme right challenger Flavío Bolsonaro has brought oceans of rapturous supporters on to the streets, while also thrilling conservationists, climate activists and social justice campaigners across the world.

Continue reading...

© Photograph: Andre Coelho/EPA

© Photograph: Andre Coelho/EPA

© Photograph: Andre Coelho/EPA

Meta discussed ‘whisper strategy’ against social media critic Jonathan Haidt, files show

Court documents reveal staff considered ways to ‘get academic community to disavow’ influential US author

Meta staff discussed deploying a “whisper strategy” to undermine the influential US academic whose work has inspired a global social media crackdown, according to court documents.

Employees at the parent group of Facebook and Instagram sought to discredit Jonathan Haidt, the social psychologist and author of The Anxious Generation, a book that helped tip the debate about online safety towards more stringent measures such as the under-16 ban in Australia.

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© Photograph: Rob Kim/Getty Images for Project Healthy Minds

© Photograph: Rob Kim/Getty Images for Project Healthy Minds

© Photograph: Rob Kim/Getty Images for Project Healthy Minds

Meta discussed ‘whisper strategy’ against social media critic Jonathan Haidt, files show

Court documents reveal staff considered ways to ‘get academic community to disavow’ influential US author

Meta staff discussed deploying a “whisper strategy” to undermine the influential US academic whose work has inspired a global social media crackdown, according to court documents.

Employees at the parent group of Facebook and Instagram sought to discredit Jonathan Haidt, the social psychologist and author of The Anxious Generation, a book that helped tip the debate about online safety towards more stringent measures such as the under-16 ban in Australia.

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© Photograph: Rob Kim/Getty Images for Project Healthy Minds

© Photograph: Rob Kim/Getty Images for Project Healthy Minds

© Photograph: Rob Kim/Getty Images for Project Healthy Minds

Reader Q&A: How can we radically change the way we live? Ask Aditya Chakrabortty

Guardian columnist, senior economics commentator and host of the new Radical Thinking podcast Aditya Chakrabortty is answering your questions on the big ideas around economics, society and democracy, and his new podcast

Send your questions to conversations@theguardian.com or join the discussion on Friday from 8am

thegreatfatsby asks: Do you think the fact that Gabriel Zucman, who is a recognised authority on wealth tax is given more respect, time and attention by the mainstream media than Gary Stevenson, who has worked eloquently and tirelessly to spread the debate about the terrible consequences of inequality and whose ideas and analysis are almost identical is because of our cultural fixation on class prejudice?

Aditya says: I’ve followed Gabriel Zucman (and Emmanuel Saez and Thomas Piketty) for a long time, and find his work rigorous and thought provoking. I don’t always agree, but I appreciate their acceptance that taxes on wealth are part of the fight against ever-increasing inequality.

I think Gary Stevenson is eloquent and compelling and is fighting a good fight. His book tells a story very well. But I don’t accept the insistence on a ‘wealth tax’ (as opposed to taxes on wealth) as being the only way we fight everything from inequality to the far right. We have to look at workers’ rights, housing, public ownership, greater democracy in economics and politics as well.

In the age of algorithm, simple, strong messages cut through. But the truth is often more complex.

Aditya says: What a nice question, Marija. I try to read a lot and write a diary. Unfortunately, I have the handwriting of a GP so I can’t read old entries. The other thing is I try to shirk my mobile phone.

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© Composite: Guardian Design

© Composite: Guardian Design

© Composite: Guardian Design

Nvidia CEO reportedly targeted by an alleged Chinese spy

29 October 2026 at 18:23

Jensen Huang reported to have had close relationship with tech company executive suspected of passing intel to China

US intelligence agencies believe the Nvidia chief executive, Jensen Huang, has been targeted by an alleged Chinese spy who had done business with him, according to a new report by the New York Times.

Alice Huang or Huang Le, of no relation to the Nvidia CEO, is an executive at a Singapore-based datacenter company called Megaspeed. She had previously been suspected of smuggling Nvidia chips to China, prompting American officials to surveil and monitor her. Those officials have determined that she was acting as a Chinese intelligence asset, passing commercial information to Beijing, the New York Times reported, citing unnamed sources.

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© Photograph: Sean Gallup/Getty Images

© Photograph: Sean Gallup/Getty Images

© Photograph: Sean Gallup/Getty Images

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