Britain’s national forecaster warned of “tropical nights” this week as heat builds again across much of Europe. UK

Bots are better and significantly faster than humans at cracking Captcha tests, according to a comprehensive new study that inspected the security system deployed in over 100 popular websites. Automated bots pose a significant threat to the internet because they can masquerade as legitimate human users and perform harmful operations like scraping content, creating accounts and posting fake comments or reviews, as well as consuming scarce resources. “If left unchecked, bots can perform these nefarious actions at scale,” warned scientists, including those from the University of California, Irvine. For over two decades, Captchas have been deployed as security checks by websites to block potentially harmful bots by presenting puzzles that are supposed to be straightforward for people to solve – but very difficult for computers. Earlier forms of Captcha, for instance, asked users to transcribe distorted text from an image, but with advances in computer vision and machine learning, bots soon caught up to recognise the text with near perfect accuracy. Engaged in an arms race with bots, Captchas have since evolved into an annoying presence on the internet, becoming increasingly more and more difficult to solve for both bots and humans. However, the new yet-to-be peer-reviewed research, posted in arXiv, finds bots are able to quickly crack Captcha tests with ease, suggesting global effort users put into cracking these puzzles every day may be more trouble than its worth. In the study, scientists assessed 200 of the most popular websites and found 120 still used Captcha. They took the help of 1,000 participants online from diverse backgrounds – varying in location, age, sex and educational level – to take 10 captcha tests on these sites and gauge their difficulty levels. Researchers found many bots described in scientific journals could beat humans at these tests in both speed and accuracy. Some captcha tests took human participants between nine and 15 seconds to solve, with an accuracy of about 50 to 84 per cent, while it took the bots less than a second to crack them, with up to near perfection. “The bots’ accuracy ranges from 85-100 per cent, with the majority above 96 per cent. This substantially exceeds the human accuracy range we observed (50-85 per cent),” scientists wrote in the study. They also found that the bots’ solving times are “significantly lower” or nearly the same as humans in almost all cases. Since current Captchas do not meet the required security goal of keeping bots away, researchers have called for better and more dynamic approaches to protect websites. Read More Shock for millions of voters as details exposed in hack – which went undetected for a year AI-driven cyberattack can now steal your passwords with near 100 per cent accuracy, study warns More than a million NHS patients’ details compromised after cyberattack Many adults would struggle to understand video-sharing platforms’ rules – Ofcom Now even Zoom tells staff: ‘Come back to the office’ Ozzy Osbourne PlayStation tweet which failed to reveal link to Sony banned

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LYNCHBURG, Va.--(BUSINESS WIRE)--Sep 20, 2023--

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Since Instagram’s text-based alternative to Twitter, Threads, rolled out last week, a handful of memes and conspiracy theories have surfaced around the app’s unusual ‘at symbol’-like logo – from the inaccurate suggestion it was predicted by The Simpsons (it wasn’t), and now, to claims it’s actually linked to the devil (it isn’t). The baseless theory - seemingly backed by Twitter owner Elon Musk himself, if his public tweet likes are anything to go by – suggests the swirly icon secretly contains the number ‘666’, often referred to as “the number of the beast” and considered a link to the Antichrist. Sign up to our free Indy100 weekly newsletter Claiming they “can’t stop seeing it”, one Twitter user asked: “Does anyone else think the Threads logo just looks like 666? The first 6 is forward and white, then the second one is smaller and backwards, and the third one is the black space inside.” “How to put 666 ‘the number of the beast’ into a logo,” wrote another, in a tweet liked by Musk. Several other accounts have branded Threads “satanic” over the supposed link. In fact, the baseless claim became so popular that Instagram boss Adam Mosseri shared a thread on Friday explaining the real meaning behind the logo. “The Threads logo, in Instagram Sans, is inspired by the @ sign, which stands for someone’s username, the individual, and voice. “It’s a single unbroken line, inspired by the loop seen in the app when a thread is started,” he wrote. When one user commented that it “would have been entertaining” if Mosseri jokingly confirmed the conspiracy to be true, the exec replied: “It was tempting, but I feel like that kind of sass would just blow up in my face.” Sensible. Of course, this is just one fact which dispels this conspiracy theory as nonsense and baseless, but one lesser-known bit of historical trivia also exposes just how outlandish the claim is. All the way back in 2005, it was reported that a newly discovered fragment of the oldest version of the New Testament – the second part of the Bible – from the third century gave a different number entirely for the number of the beast. Found in historic dumps near Oxyrhynchus in Egypt, the text from the Book of Revelation indicates it’s not 666 which is the fiendish number we should all be fearing, but the far less aesthetically pleasing 616. Professor David Parker, Professor of New Testament Textual Criticism and Paleography at the University of Birmingham, said: “This is an example of gematria, where numbers are based on the numerical values of letters in people’s names. “Early Christians would use numbers to hide the identity of people who they were attacking: 616 refers to the Emperor Caligula.” This is in contrast to the far more popular 666, which is understood to have referred to Emperor Nero. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

A federal judge on Tuesday ordered some Biden administration agencies and top officials not to communicate with social media companies about certain content, handing a win to GOP states in a lawsuit accusing the government of going too far in its effort to combat Covid-19 disinformation.