{"publisher":{"name":"MediaBias News","url":"https://mediabias.news","methodology":"https://mediabias.news/methodology","editorialPrinciples":"https://mediabias.news/editorial-principles","corrections":"https://mediabias.news/corrections"},"scoreGuide":{"trust":"How well corroborated and evidenced the source reporting is. 0-100, higher is better.","critic":"Craft quality of the source journalism: context, balance, fact vs comment. 0-100, higher is better.","hype":"How far the source presentation runs ahead of substance. 0-100, LOWER IS BETTER.","scope":"Scores assess the original reporting this article was written from, not the truth of the underlying event and not the quality of this write-up."},"assessmentGuide":{"type":"coverage-and-source-reporting-analysis","factCheck":{"status":"not-performed","note":"Media Bias News compares coverage and scores the source reporting. It does not currently publish a ClaimReview verdict on whether the underlying event or claim is true."},"sourceFactuality":{"note":"Factuality values describe published ratings of the outlets that covered the story. They are not a factuality verdict on this story or its claims."}},"story":{"id":"https://mediabias.news/conflict/anthropic-blocked-researchers-over-potential-bioweapons-research","slug":"anthropic-blocked-researchers-over-potential-bioweapons-research","url":"https://mediabias.news/conflict/anthropic-blocked-researchers-over-potential-bioweapons-research","title":"Anthropic blocked researchers over potential bioweapons research","subtitle":"AI company detected attempts to obscure dual-use research on viruses and toxins.","excerpt":"AI company Anthropic has blocked researchers from using its models for work that could potentially aid biological weapons development. The company stated it could not determine if the research served a legitimate scientific purpose or malicious intent, citing attempts to circumvent restrictions and obscure research goals.","category":"Conflict & Security","area":"Russia","publishedAt":"2026-09-10T18:47:05.898Z","sourceReportedAt":"2026-09-10T18:33:39.000Z","updatedAt":"2026-09-10T18:47:05.898Z","readTime":"3 min read","scores":{"trust":50,"critic":60,"hype":45,"notes":{"trust":"Central claims attributed to Anthropic, with NYT and Politico Europe as secondary sources.","critic":"Reporting is clear and holds together, with some outlets providing more detail than others.","hype":"Headlines suggest immediate threats, but the body of the reporting clarifies the potential nature of the misuse."}},"tags":["#AI","#Bioweapons","#Anthropic","#CyberSecurity","#ResearchEthics"],"entities":["Anthropic","Claude","Politico Europe","Tom's Guide","New York Post","Washington Examiner"],"body":[{"type":"key_takeaways","items":["Anthropic blocked researchers using its AI models for work that could potentially aid biological weapons development.","The company stated it could not determine if the research served a legitimate scientific purpose or malicious intent.","Cases involved research on viruses like chikungunya and avian influenza, and computational toxin development.","Researchers reportedly circumvented geographic restrictions and attempted to obscure the purpose of their work."]},{"type":"paragraph","text":"AI company Anthropic has blocked researchers from using its artificial intelligence models for work that could potentially aid biological weapons development. The company stated it could not determine whether the research served a legitimate scientific purpose or malicious intent. The cases involved research on viruses such as chikungunya and avian influenza, and the computational development of toxins."},{"type":"paragraph","text":"According to reports, the researchers circumvented geographic restrictions and took steps to obscure the purpose of their work to avoid triggering Anthropic's safeguards. This pattern of sensitive research combined with attempts to conceal the activity was sufficient for Anthropic to terminate the accounts."},{"type":"heading","text":"Disagreement on actors involved"},{"type":"paragraph","text":"Politico Europe reported that bad actors in China and Russia were among those attempting to weaponize Anthropic's AI. Other reports did not specify the countries or affiliations of the researchers involved."},{"type":"heading","text":"Omissions"},{"type":"paragraph","text":"None of the right-rated digests mention the specific viruses, such as chikungunya and avian influenza, or the computational development of toxins that were cited in the agreed account of the story."}],"basedOn":[{"sourceName":"IOL Portugal","url":"https://cnnportugal.iol.pt/anthropic/inteligencia-artificial/anthropic-diz-ter-bloqueado-possiveis-tentativas-de-desenvolvimento-de-armas-biologicas/20260910/6aa2fd2ad34e53c759c71a9b","headline":"Anthropic Claims to Have Blocked Possible Attempts to Develop Biological Weapons","angle":"","publishedAt":"2026-09-10T19:29:29.447Z"},{"sourceName":"elcorreogallego.es","url":"https://elcorreogallego.es/sociedad/2026/09/10/anthropic-asegura-haber-desarticulado-complots-134165927.html","headline":"Anthropic Claims to Have Broken up Plots that Used Their AI to Develop Biological Weapons","angle":"","publishedAt":"2026-09-10T19:29:18.000Z"},{"sourceName":"SFist","url":"https://sfist.com/2026/09/10/anthropic-says-it-shut-down-several-efforts-to-use-claude-to-develop-biological-weapons","headline":"Anthropic Says It Shut Down Several Efforts to Use Claude to Develop Biological Weapons","angle":"","publishedAt":"2026-09-10T19:24:27.000Z"},{"sourceName":"El Plural","url":"https://elplural.com/sociedad/anthropic-asegura-haber-bloqueado-varios-intentos-usar-ia-creacion-armas-biologicas_399942102","headline":"Anthropic Claims to Have Blocked Several Attempts to Use Its AI for the Creation of Biological Weapons","angle":"","publishedAt":"2026-09-10T19:16:00.000Z"},{"sourceName":"Eldiario.es","url":"https://eldiario.es/tecnologia/anthropic-asegura-detenido-intentos-crear-armas-biologicas-ia_1_13501879.html","headline":"Anthropic Claims that It Has Stopped Several Attempts to Create Biological Weapons with Its AI","angle":"","publishedAt":"2026-09-10T19:13:23.000Z"},{"sourceName":"abc","url":"https://abc.es/tecnologia/anthropic-afirma-parado-posibles-intentos-fabricar-armas-20260910211206-nt.html","headline":"Anthropic States that It Has Stopped Possible Attempts to Manufacture Biological Weapons with the Help of AI","angle":"","publishedAt":"2026-09-10T19:12:06.000Z"},{"sourceName":"20minutos","url":"https://20minutos.es/tecnologia/anthropic-desarticulo-posibles-complots-que-usaban-su-ia-para-investigar-armas-biologicas_7035388_0.html","headline":"Anthropic Disarticulated Possible Plots that Used Their AI to Investigate Biological Weapons","angle":"","publishedAt":"2026-09-10T19:06:52.000Z"},{"sourceName":"Expansión","url":"https://expansion.com/tecnologia/2026/09/10/6aa2fce5468aeb5b0f8b458f.html","headline":"Anthropic Claims that It Has Blocked Several Attempts to Create Biological Weapons with Its AI","angle":"","publishedAt":"2026-09-10T19:01:42.000Z"},{"sourceName":"El 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Pais","url":"https://elpais.com/tecnologia/2026-09-10/anthropic-alerta-de-que-ha-frenado-posibles-intentos-de-crear-armas-biologicas-con-su-ia.html","headline":"Anthropic Warns that It Has Stopped Possible Attempts to Create Biological Weapons with Its AI","angle":"","publishedAt":"2026-09-10T18:41:55.000Z"},{"sourceName":"SpaceMoney","url":"https://spacemoney.com.br/tecnologia/anthropic-ia-uso-malicioso-paises","headline":"Anthropic Claims to Have Blocked AI Used for Biological Weapons","angle":"","publishedAt":"2026-09-10T18:37:19.000Z"},{"sourceName":"Tom's Guide","url":"https://tomsguide.com/ai/anthropic-says-it-blocked-researchers-using-claude-for-possible-bioweapon-research","headline":"Anthropic says it blocked researchers using Claude for possible bioweapon research","angle":"","publishedAt":"2026-09-10T18:33:39.000Z"},{"sourceName":"Politico","url":"https://politico.com/news/2026/09/10/bad-actors-china-russia-weaponizing-anthropic-01070435","headline":"Bad actors in China and Russia are already weaponizing Anthropic’s AI","angle":"","publishedAt":"2026-09-10T18:29:52.968Z"},{"sourceName":"EL ESPAÑOL","url":"https://elespanol.com/omicrono/20260910/anthropic-detecta-varios-complots-usar-ia-investigaciones-pueden-crear-armas-biologicas/1003744379735_0.html","headline":"Anthropic Detects Several Plots to Use Its AI in Research that Can Create Biological Weapons","angle":"","publishedAt":"2026-09-10T18:25:36.000Z"},{"sourceName":"Quartz","url":"https://qz.com/anthropic-claude-biological-weapons-surveillance-misuse-091026","headline":"Anthropic blocked attempts to use Claude for bioweapons research","angle":"","publishedAt":"2026-09-10T18:17:31.431Z"},{"sourceName":"Politico Europe","url":"https://politico.eu/article/bad-actors-in-china-and-russia-are-already-weaponizing-anthropics-ai","headline":"Bad actors in China and Russia are already weaponizing Anthropic’s 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Politico Europe specified that \"bad actors in China and Russia are already weaponizing Anthropic’s AI,\" and detailed various state-linked actors and criminal hacking gangs exploiting AI for cyberattacks, military hardware design, propaganda, and surveillance. Joe.My.God. and IndexHR also focused on the disruption of potential bioweapons plots by scientists using AI models. NBC News noted that \"government-linked accounts tried to use Claude for work that could lead to bioweapons,\" and that researchers tied to state institutions evaded regional blocks."],"centre":["Centre-rated reports focused on Anthropic's announcement of blocking researchers due to concerns over potential bioweapons development. Tom's Guide detailed how researchers circumvented safeguards and attempted to obscure their work, noting that Anthropic could not determine malicious intent. Internewscast and WebProNews also reported on Anthropic blocking scientists, with WebProNews specifying \"state-linked scientists using Claude models for gain-of-function virus research and grant proposals that could aid bioweapons.\" Dailymail.com stated that Anthropic had thwarted plots to build biological weapons using AI."],"right":["Right-rated reports highlighted Anthropic's warning about the misuse of AI for biological weapons research. Firstpost News stated that Anthropic disrupted attempts to misuse AI for biological weapons research, also documenting its use in surveillance, propaganda, and conventional weapons development. The New York Post reported that scientists used Anthropic's Claude AI in sensitive biological research with potential weapons applications, including gain-of-function virus work. The Washington Examiner noted that Anthropic sounded an alarm on AI models being misused to develop biological weapons, calling it the industry's first known admission of overlap between AI misuse and biological weapons development."],"comparison":""},"blindspot":null,"sourceFactualityDistribution":{"mixed":3,"high":16,"unknown":13,"veryHigh":1},"ownershipDistribution":{"privateEquity":1,"mediaConglomerate":9,"billionaire":5,"independent":3,"other":2,"corporation":2},"firstDatedReport":{"sourceName":"NPR","url":"https://npr.org/2026/09/10/g-s1-142755/anthropic-ai-threat-actors-report-bio-weapons","publishedAt":"2026-09-10T12:00:00.000Z"},"countries":[{"country":"Madrid, Community of Madrid, Spain","count":6},{"country":"New York, New York, United States","count":4},{"country":"Washington, District of Columbia, United States","count":2},{"country":"Zagreb, Croatia, Croatia","count":1},{"country":"Mumbai, Konkan Division, Maharashtra, India","count":1},{"country":"Budapest, Hungary","count":1},{"country":"Brussels, Belgium","count":1},{"country":"Spain","count":1},{"country":"Arlington County, Virginia, United States","count":1},{"country":"Rio de Janeiro, State of Rio de Janeiro, Brazil","count":1},{"country":"Portugal","count":1}],"outlets":[{"name":"NPR","url":"https://npr.org/2026/09/10/g-s1-142755/anthropic-ai-threat-actors-report-bio-weapons","headline":"Anthropic issues report on \"threat actors\" trying to use AI for malicious activities","publishedAt":"2026-09-10T12:00:00.000Z","leaningSide":"left","leaningRating":"leanLeft","factualityRating":"high","angle":null,"isOpinion":false,"country":"Washington, District of Columbia, United States","repostedFrom":null},{"name":"Washington Examiner","url":"https://washingtonexaminer.com/policy/technology/4719252/anthropic-alarm-ai-model-misuse-biological-weapon","headline":"Anthropic sounds alarm on AI models misused to develop biological weapons","publishedAt":"2026-09-10T17:00:00.000Z","leaningSide":"right","leaningRating":"leanRight","factualityRating":"high","angle":null,"isOpinion":false,"country":"Washington, District of Columbia, United States","repostedFrom":null},{"name":"NBC News","url":"https://nbcnews.com/tech/tech-news/anthropic-state-linked-scientists-banned-regions-used-claude-virus-res-rcna596859","headline":"Government-linked accounts tried to use Claude for work that could lead to bioweapons, Anthropic says","publishedAt":"2026-09-10T17:03:28.542Z","leaningSide":"left","leaningRating":"leanLeft","factualityRating":"veryHigh","angle":null,"isOpinion":false,"country":"New York, New York, United States","repostedFrom":null},{"name":"dailymail.com","url":"https://dailymail.com/news/article-16121543/Anthropic-says-thwarted-plots-build-biological-weapons-using-AI-whistleblower-warned-tech-end-humanity.html","headline":"Anthropic says it thwarted plots to build biological weapons using AI","publishedAt":"2026-09-10T17:18:57.000Z","leaningSide":"centre","leaningRating":"center","factualityRating":"unknown","angle":null,"isOpinion":false,"country":null,"repostedFrom":null},{"name":"WebProNews","url":"https://webpronews.com/anthropic-blocks-scientists-tied-to-states-in-ai-assisted-pathogen-research","headline":"Anthropic Blocks Scientists Tied to States in AI-Assisted Pathogen Research","publishedAt":"2026-09-10T17:33:05.000Z","leaningSide":"centre","leaningRating":"center","factualityRating":"mixed","angle":null,"isOpinion":false,"country":null,"repostedFrom":null},{"name":"New York Post","url":"https://nypost.com/2026/09/10/business/anthropic-says-scientists-used-its-ai-for-research-that-could-aid-biological-weapons-development","headline":"Anthropic says scientists used its AI for research that could aid biological weapons development","publishedAt":"2026-09-10T17:36:06.000Z","leaningSide":"right","leaningRating":"leanRight","factualityRating":"mixed","angle":null,"isOpinion":false,"country":"New York, New York, United States","repostedFrom":null},{"name":"IndexHR","url":"https://index.hr/vijesti/clanak/znanstvenici-preko-ai-modela-pokusali-razviti-biolosko-oruzje-javio-se-anthropic/2833221.aspx","headline":"Scientists Tried to Develop Biological Weapons Using AI Models? 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