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AI allows hackers to identify anonymous social media accounts, study finds

about 24 hours ago
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AI has made it vastly easier for malicious hackers to identify anonymous social media accounts, a new study has warned.In most test scenarios, large language models (LLMs) – the technology behind platforms such as ChatGPT – successfully matched anonymous online users with their actual identities on other platforms, based on the information they posted.The AI researchers Simon Lermen and Daniel Paleka said LLMs make it cost effective to perform sophisticated privacy attacks, forcing a “fundamental reassessment of what can be considered private online”.In their experiment, the researchers fed anonymous accounts into an AI, and got it to scrape all the information it could.They gave a hypothetical example of a user talking about struggling at school, and walking their dog Biscuit through a “Dolores park”.

In that hypothetical case, the AI then searched elsewhere for those details and matched @anon_user42 to the known identity with a high degree of confidence.While this example was fictional, the paper’s authors highlighted scenarios in which governments use AI to surveil dissidents and activists posting anonymously, or hackers are able to launch “highly personalised” scams.AI surveillance is a rapidly developing field that is causing alarm among computer scientists and privacy experts.It uses LLMs to synthesise information about an individual online which would be impractical for most people to do manually.Information about members of the public that is readily available online can already be “misused straightforwardly” for scams, said Lermen, including spear-phishing, where a hacker poses as a trusted friend to get victims to follow a malicious link in their inbox.

With the expertise requirement to perform more developed attacks now much lower, hackers only need access to publicly available language models and an internet connection.Peter Bentley, a professor of computer science at UCL, said there were concerns about commercial uses of the technology “if and when products come out for de-anonymising”.One issue is that LLMs often make mistakes in linking accounts.“People are going to be accused of things they haven’t done,” warned Bentley.Another concern, raised by Prof Marc Juárez, a cybersecurity lecturer at the University of Edinburgh, is that LLMs can use public data beyond social media: hospital records, admissions data, and various other statistical releases could fall short of the high standard of anonymisation necessary in the age of AI.

“It is quite alarming.I think this paper is showing that we should reconsider our practices,” said Juarez.AI is not a magic weapon against anonymity online.While LLMs can de-anonymise records in many situations, sometimes there is not enough information to draw conclusions.In many cases, the number of potential matches is too large to narrow down.

“They can only link across platforms where someone consistently shares the same bits of information in both places,” said Prof Marti Hearst of UC Berkeley’s school of information.While the technology is not perfect, scientists are now asking institutions and individuals to rethink how they anonymise data in the world of AI.Lermen has recommended that platforms restrict data access as a first step: enforcing rate limits on user data downloads, detecting automated scraping, and restricting bulk exports of data.But he also noted that individual users can take greater precautions about the information they share online.The best public interest journalism relies on first-hand accounts from people in the know.

If you have something to share on this subject, you can contact us confidentially using the following methods:The Guardian app has a tool to send tips about stories.Messages are end to end encrypted and concealed within the routine activity that every Guardian mobile app performs.This prevents an observer from knowing that you are communicating with us at all, let alone what is being said.If you don’t already have the Guardian app, download it (iOS/Android) and go to the menu.Select ‘Secure Messaging’.

Our guide at theguardian.com/tips lists several ways to contact us securely, and discusses the pros and cons of each.
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Top US banks weigh suing federal regulator over crypto banking rules

Some of the largest US banks are considering suing their financial regulator, arguing that a new raft of licenses for crypto, payment and fintech could put American consumers and the wider financial system at risk.The Bank Policy Institute (BPI), which represents 40 of the biggest US lenders including JP Morgan, Goldman Sachs and Citigroup, is understood to be weighing its legal options after the Office of the Comptroller of the Currency (OCC) failed to heed repeated warnings from influential banking groups and state regulators over its reinterpretation of federal licensing rules.The OCC, which is led by Jonathan Gould, a Donald Trump appointee and former crypto executive, has effectively made it easier for crypto and fintech upstarts to secure and operate under a national bank trust charter, giving them the right to serve customers across all 50 states.However, banks say giving these firms the OCC’s stamp of approval means letting firms loose into the US financial system without the same rigorous supervision and controls required of fully fledged banks.The reforms brought forward by the OCC are widely seen as playing into the Trump administration’s ideological push to bring crypto and previously fringe financial firms into the mainstream

about 3 hours ago
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Yorkshire Water receives fresh funding despite sewage fines and pay row

A leading European investor will pump fresh funding into Yorkshire Water including helping to cover a £600m loan, despite recent heavy sewage fines and a scandal over executive pay at the utility firm.EQT, a Swedish private equity group, said on Monday it would take a 42% stake in Kelda Holdings, the Jersey-registered parent company of Yorkshire Water, which has 5.7 million customers across Yorkshire and parts of the East Midlands and Lincolnshire.The move will effectively make it Yorkshire Water’s joint owner, bringing the stake of an existing shareholder, GIC, an investment firm, to 42%, and TCorp, the investment vehicle of Australia’s New South Wales public sector, to 16%.EQT said part of the deal would involve contributing to a £600m “inter-company loan repayment” that is due before March 2027, while it was “fully supportive” of spending plans to clean up Yorkshire’s record on sewage spills

about 4 hours ago
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AI allows hackers to identify anonymous social media accounts, study finds

AI has made it vastly easier for malicious hackers to identify anonymous social media accounts, a new study has warned.In most test scenarios, large language models (LLMs) – the technology behind platforms such as ChatGPT – successfully matched anonymous online users with their actual identities on other platforms, based on the information they posted.The AI researchers Simon Lermen and Daniel Paleka said LLMs make it cost effective to perform sophisticated privacy attacks, forcing a “fundamental reassessment of what can be considered private online”.In their experiment, the researchers fed anonymous accounts into an AI, and got it to scrape all the information it could. They gave a hypothetical example of a user talking about struggling at school, and walking their dog Biscuit through a “Dolores park”

about 24 hours ago
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ChatGPT driving rise in reports of ‘satanic’ organised ritual abuse, UK experts say

ChatGPT is driving a rise in reports of organised ritual abuse, UK experts have said, as survivors of “satanic” sexual violence use the AI tool for therapy.Police say organised ritual abuse and “witchcraft, spirit possession and spiritual abuse” (WSPRA) against children is under-reported in the UK. There is no modern-day charge that covers it specifically, but such offending is typified by sexual abuse, violence and neglect involving ritualistic elements – sometimes inspired by satanism, fascism or esoteric religious beliefs – to control victims.Perpetrators include abusive families and networks, human traffickers, online gangs and paedophile rings.There have been 14 UK criminal cases since 1982 in which ritualistic practices in sexual abuse were acknowledged

1 day ago
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England running through quicksand of misery with Borthwick fighting for job in Paris

Even before the final weekend unfolds the 2026 Six Nations can be adjudged already as a vintage one. Three teams mathematically remain in the title race and all of them are still full of running. Whether it is France, Ireland or Scotland who ultimately pull clear, an eventful championship this year will be remembered fondly by almost everybody.For every beaming winner, though, there inevitably has to be a frustrated, bruised loser. And to put it mildly things have not unfolded in the way England were hoping just a few short weeks ago

about 6 hours ago
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Racing’s leadership in chaos but dramatic exits will be limited to track at Cheltenham

In the long-forgotten time, about 30 years or so ago, when the Cheltenham festival was a three-day get-together for country types, no one gave much thought to attendance figures, the price of beer or maximising the customer experience. It was a coming together of the National Hunt clans, much anticipated and hugely enjoyed but not, in the grand scheme, an event with a story to tell about the overall health of the sport.But not any more. The state of the Cheltenham festival is a key indicator of the state of the racing nation as a whole, and perhaps more so than ever this year, as the sport heads to Gloucestershire rudderless after Charles Allen, who took over as chair of the British Horseracing Authority just six months ago, turned out to be a temporary hire. There is even talk of schism in the dysfunctional racing family, as the showpiece tracks, Cheltenham included, demand change “to ensure that significant views from key racecourses can influence outcomes”

about 6 hours ago
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Stock markets plunge after oil surges over $100 a barrel, wiping out hopes of UK interest rate cut – business live

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UK interest rate cuts unlikely this year amid Iran war – and a rise could be ahead

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Liverpool and Manchester United complain to X over ‘sickening’ Grok AI posts

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How AI firm Anthropic wound up in the Pentagon’s crosshairs

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England handed tough Six Nations 2027 opener with Friday night trip to Dublin

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‘He had to shoulder tragedy alone’: How Larry Bird’s rise almost ended before it began

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