Nasa has named its new head of research into unexplained phenomena spotted in the sky – after initially saying that it would not. The space agency said that its new head of research into Unidentified Anomalous Phenomena, or UAPs, would be kept secret in an attempt to keep them from being abused. Many of the publicly identified members its research panel have been subject to threats and harassment, the space agency has said. Previously, members of the panel said that abuse had kept them from properly examining the phenomena. The announcement of a new head of research came soon during the discussion of the panel’s first report into UFOs. That report said that it needed more scientific research to make firm conclusions – and less stigma and abuse of those doing it. During a panel discussion of that report, Nasa associate administrator Nicola Fox said that the space agency had appointed a new official to oversee the research and work with other federal agencies. But she told reporters that “we will not give his name out” for fear of reprisals. Later on Thursday, however, Nasa released a new blog post in which it identified the new director as Mark McInerney. “McInerney previously served as NASA’s liaison to the Department of Defense covering limited UAP activities for the agency,” it wrote. “In the director role, he will centralize communications, resources, and data analytical capabilities to establish a robust database for the evaluation of future UAP. “He also will leverage NASA’s expertise in artificial intelligence, machine learning, and space-based observation tools to support and enhance the broader government initiative on UAP.” The report did not give any indication of why the space agency had changed its mind on naming the new appointment. It only noted that it had made the decision to update it to “include details about the UAP research director”. In the 33-page report published earlier on Thursday, an independent team commissioned by NASA cautioned that the negative perception surrounding UFOs poses an obstacle to collecting data. But officials said NASA‘s involvement should help reduce the stigma around what it calls UAPs, or unidentified anomalous phenomena.“We want to shift the conversation about UAPs from sensationalism to science,” NASA Administrator Bill Nelson said. He promised an open and transparent approach. Officials stressed the panel found no evidence that UAPs had extraterrestrial origin. But Nelson acknowledged with billions of stars in billions of galaxies out there, another Earth could exist. “If you ask me, do I believe there’s life in a universe that is so vast that it’s hard for me to comprehend how big it is, my personal answer is yes,” Nelson said at a news conference. His own scientists put the likelihood of life on another Earth-like planet at “at least a trillion.” When pressed by reporters on whether the U.S. or other governments are hiding aliens or otherworldly spaceships, Nelson said: “Show me the evidence.” NASA has said it doesn’t actively search for unexplained sightings. But it operates a fleet of Earth-circling spacecraft that can help determine, for example, whether weather is behind a strange event. The 16-member panel noted that artificial intelligence and machine learning are essential for identifying rare occurrences, including UFOs. No top-secret files were accessed by the panel’s scientists, aviation and artificial intelligence experts, and retired NASA astronaut Scott Kelly, the first American to spend nearly a year in space. Instead, the group relied on unclassified data in an attempt to better understand unexplained sightings in the sky. Officials said there are so few high-quality observations that no scientific conclusions can be drawn. Most events can be attributed to planes, drones, balloons or weather conditions, said panel chairman David Spergel, president of the Simons Foundation, a scientific research group. The government refers to unexplained sightings as UAPs versus UFOs. NASA defines them as observations in the sky or elsewhere that cannot be readily identified or scientifically explained. The study was launched a year ago and cost under $100,000. Additional reporting by agencies Read More We cannot yet explain mysterious sightings in the sky, Nasa panel says Nasa boss says he believes in aliens during UFO hearings Watch as Nasa announces findings of long-awaited UFO study Nasa’s UFO study team reveals first ever report: as it happened Scientists might have seen a ‘life’ molecule on another planet SpaceX crew streak across sky before splashing down off Florida coast

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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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