Coverage dated September 9, 2026 to September 12, 2026

Anthropic says it has blocked use of AI for malicious activity

Headline from The Columbian, on the newest of 2 developments

Anthropic said Thursday it has blocked efforts by bad actors to use its artificial intelligence models for malicious activity such as cyberattacks, surveillance and research that could have led to biological weapons.

The Columbian's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Anthropic says it blocked possible attempts to use AI to develop bioweapons

    Headline from KRDO ·

  2. Newest

    Anthropic says it has blocked use of AI for malicious activity

    Headline from The Columbian ·

17 reports not tied to one development ·

Read the reports

Reports & sources

50 articles, oldest first.

  1. NBC Los Angeles

    Anthropic says it blocked misuse of its AI that could have supported biological weapons (opens NBC Los Angeles)

    Published

    NBC Los Angeles's feed description

    Anthropic website displayed on a phone screen and Anthropic logo displayed on a screen in the background are seen in this illustration photo taken in Krakow, Poland on September 26, 2023.

  2. Washington Examiner

    Anthropic sounds alarm on AI models being misused to develop biological weapons (opens Washington Examiner)

    Published

    Washington Examiner's feed description

    Anthropic released its latest threat intelligence report, which addresses several real-world case studies in which scientific researchers used the company’s artificial intelligence models to develop biological weapons.

  3. New York Post

    Anthropic says scientists used its AI for research that could aid biological weapons development (opens New York Post)

    Published

    New York Post's feed description

    Anthropic says scientists used its Claude AI in sensitive biological research that the company feared could have applications in weapons development — including gain-of-function virus work and experiments involving pathogens with pandemic potential.

  4. Forbes

    Anthropic Says It Blocked Possible Biological Weapons Undertaking (opens Forbes)

    Published

    Forbes's feed description

    Anthropic believes the blocked research into biological weapons was suspicious because it was intended to be carried out at a military research institute.

  5. Quartz

    Anthropic warns of efforts to use its AI to build biological weapons (opens Quartz)

    Published

    Quartz's feed description

    The AI company said it could not always determine whether researchers were pursuing legitimate science or weapons development

  6. CBS News

    Anthropic says scientists used AI for possible biological weapons development (opens CBS News)

    Published

    CBS News's feed description

    Anthropic said it blocked scientists who used its Claude AI models "in ways that could support biological weapons development."

  7. KTVZ Bend

    Anthropic says it blocked possible attempts to use AI to develop bioweapons (opens KTVZ Bend)

    Published

    KTVZ Bend's feed description

    By Deidre McPhillips, CNN (CNN) — Anthropic says it has blocked multiple accounts that used the company’s artificial intelligence models in ways that could support the development of biological weapons.

  8. Engadget

    Anthropic caught scientists using Claude to further biological weapon research (opens Engadget)

    Published

    Engadget's feed description

    Anthropic produced an extensive collection of case studies covering the ways its current AI models have been misused.

  9. HuffPost

    Anthropic Says It Thwarted Potential Plots To Use Its AI For Biological Weapons (opens HuffPost)

    Published

    HuffPost's feed description

    The company’s report on misuses of its models comes as its employees speak out about AI’s safety and existential risks.

  10. CBS News

    Anthropic says it blocked possible efforts to create biological weapons (opens CBS News)

    Published

    CBS News's feed description

    One day after two researchers warned that artificial intelligence could kill all humans, Anthropic reports that it blocked possible efforts by scientists to create biological weapons. Andy Weber, senior fellow at the Council on Strategic Risks, joins CBS News to discuss.

  11. Union Leader

    Anthropic reports it blocked potential bioweapons research (opens Union Leader)

    Published

    Union Leader's feed description

    Anthropic intervened in multiple attempts by scientists and other actors who were using its models to help develop biological weapons, the artificial intelligence research company said in a report released Sept. 10.

  12. Financial Times

    Anthropic stops attempts to use models for potential biological weapons (opens Financial Times)

    Published

    Financial Times's feed description

    Start-up outlines five examples of when actors ‘circumvented controls’ and made efforts to ‘obfuscate’ the purpose of their research

  13. FOX Business

    Anthropic says it blocked possible efforts to use AI for biological weapons development, Iran-linked cases (opens FOX Business)

    Published

    FOX Business's feed description

    The company detailed five cases involving potentially dangerous biological research, saying it banned the associated accounts and strengthened its safeguards.

  14. The Guardian

    Anthropic details bad actors’ efforts to misuse its AI for bioweapons (opens The Guardian)

    Published

    The Guardian's feed description

    Report comes two days after former employee quit claiming company’s models could cause human extinction by 2030 Criminals, state-sponsored groups, spyware vendors, scientists and propagandists have attempted to use Anthropic’s powerful artificial intelligence models to design missiles and bombs, cre…

  15. The Boston Globe

    Anthropic says it blocked possible efforts to build biological weapons (opens The Boston Globe)

    Published

    The Boston Globe's feed description

    Anthropic said it had disrupted several potential plots this year by scientists who used its leading artificial intelligence models to conduct research that could have helped develop biological weapons.

  16. Just the News

    Anthropic reveals AI used to test missiles, conduct dangerous biological research in threat report (opens Just the News)

    Published

    Just the News's feed description

    Anthropic disrupts malicious plots using its Claude program, like attempts to test weapons systems, develop new drone tactics, and conduct dangerous biological research, as debate over AI safety intensifies.

  17. Salon

    Anthropic says it blocked use of bad actors developing bioweapons (opens Salon)

    Published

    Salon's feed description

    The report comes days after an Anthropic researcher resigned, alleging irresponsible AI development

  18. BBC News

    Anthropic blocks 'malicious use' of AI that could develop biological weapons (opens BBC News)

    Published

    BBC News's feed description

    The revelations in Anthropic's threat intelligence report come after a former top researcher at the company warned of the risks of AI to humanity.

  19. Al Jazeera

    Anthropic warns of bids to use AI to build biological weapons (opens Al Jazeera)

    Published

    Al Jazeera's feed description

    Experts urge stricter access to AI models as Anthropic reports rising misuse cases, including biological research risks.

  20. Cheddar

    Anthropic Says it Blocked A.I. Bioweapons Research (opens Cheddar)

    Published

    Cheddar's feed description

    Anthropic says it blocked attempts to misuse its AI models for potentially dangerous biological research.

  21. Breitbart News

    Anthropic Says It Disrupted Foreign Adversaries Using Its AI for Bioweapon Research, Guided Missile Targeting (opens Breitbart News)

    Published

    Breitbart News's feed description

    Anthropic disclosed Thursday that it had shut down several attempts this year by scientists to use its artificial intelligence models for research that could contribute to biological weapons development.

  22. CBN

    AI Company Reports Attempts to Create Bioweapons and Malicious Cyberattacks (opens CBN)

    Published

    CBN's feed description

    A major technology company says bad actors recently tried to use their AI tool to create a biological weapon, as well as other very dangerous activities. Anthropic reports it blocked attempts to use its artificial intelligence models for malicious cyberattacks, surveillance, and research that could …

  23. The Columbian

    Anthropic says it has blocked use of AI for malicious activity (opens The Columbian)

    Published

    The Columbian's feed description

    Anthropic said Thursday it has blocked efforts by bad actors to use its artificial intelligence models for malicious activity such as cyberattacks, surveillance and research that could have led to biological weapons.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.