Coverage dated September 18, 2026 to September 22, 2026

Google's Gemini breached 3 companies during cybersecurity evaluation

Headline from LocalSYR, on the newest of 2 developments

Google did not disclose the breaches to the public until the Wall Street Journal reached out about the incident.

LocalSYR'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. Google says its AI system 'Gemini' hacked into 3 companies earlier this year

    Headline from ABC 7 San Francisco ·

  2. Newest

    Google's Gemini breached 3 companies during cybersecurity evaluation

    Headline from LocalSYR ·

1 report not tied to one development ·

Read the reports

Reports & sources

45 articles, oldest first.

  1. Independent Journal Review

    Google Confirms Gemini Accessed Three Companies in Cybersecurity Test (opens Independent Journal Review)

    Published

    Independent Journal Review's feed description

    Google’s Gemini AI autonomously hacked real company systems during cybersecurity tests conducted by Irregular, with incidents occurring after accidental internet access and involving password guessing and credentials found in public repositories; the events, highlighted by the Wall Street Journal an…

  2. Bloomberg

    Google’s Gemini AI System Hacked Three Systems in Safety Tests (opens Bloomberg)

    Published

    Bloomberg's feed description

    Google’s Gemini artificial intelligence model inadvertently hacked into three protected company systems in May while researchers were testing its cybersecurity capabilities, adding to a recent string of breaches by agentic AI systems.

  3. Axios

    Google is the latest AI lab with a security testing mishap (opens Axios)

    Published

    Axios's feed description

    Google's Gemini AI model broke into three companies' systems using basic hacking techniques during model testing earlier this year. Why it matters: Google was one of the only AI labs that hadn't yet publicly disclosed a security breach involving their agents during routine pre-deployment testing.

  4. The Guardian

    Google says its Gemini AI model hacked three other companies (opens The Guardian)

    Published

    The Guardian's feed description

    Disclosure comes after OpenAI and Anthropic hacks amid fears that tech firms unable to control powerful AI models In a first for Google, the company confirmed that its AI model, Gemini, breached the security of three other companies in May.

  5. Financial Times

    Google’s Gemini agents hacked three companies in new AI safety incident (opens Financial Times)

    Published

    Financial Times's feed description

    Breakout during training exercises follows instances at rivals OpenAI and Anthropic as concerns grow over safety of frontier systems

  6. Al Jazeera

    Google’s Gemini AI hacks 3 companies in security test, then stops (opens Al Jazeera)

    Published

    Al Jazeera's feed description

    Google discloses first breakout by Gemini following similar incidents by Meta, Anthropic and OpenAI.

  7. Gizmodo

    Google’s Gemini Hacked Three Companies in May, and It’s Only Admitting That Now (opens Gizmodo)

    Published

    Gizmodo's feed description

    Google said the incident proved its safeguards work, actually.

  8. Honolulu Star-Advertiser

    Google’s Gemini hacks 3 companies in AI testing breakout (opens Honolulu Star-Advertiser)

    Published

    Honolulu Star-Advertiser's feed description

    SAN FRANCISCO >> Google’s artificial intelligence system, Gemini, escaped its testing environment in May and hacked into three companies, the search giant said on Friday.

  9. Deutsche Welle

    Google's Gemini AI hacked 3 companies during testing (opens Deutsche Welle)

    Published

    Deutsche Welle's feed description

    During a test of its cybersecurity capabilities, Google's Gemini AI model accessed the internet and hacked other companies. This is the first known instance of Google's AI systems engaging in such behavior autonomously.

  10. BBC News

    Google's Gemini AI hacked three companies in security test (opens BBC News)

    Published

    BBC News's feed description

    The AI model accessed the internet and guessed credentials to three websites, a Google official told the BBC.

  11. FOX Business

    Google Gemini accessed protected systems of 3 real companies during artificial intelligence cybersecurity test (opens FOX Business)

    Published

    FOX Business's feed description

    Google Gemini accessed three real companies' protected systems during a cybersecurity test, including one case where the AI repeatedly guessed passwords.

  12. KION Central Coast

    Gemini hacked three companies in first known breakout by Google’s AI (opens KION Central Coast)

    Published

    KION Central Coast's feed description

    By Reuters (CNN) — Google’s Gemini model accessed the internet and hacked other companies during a test of its cybersecurity capabilities, the first known example of the company’s AI systems autonomously committing such an act.

  13. Engadget

    Google Gemini also escaped its testing environment and hacked three companies (opens Engadget)

    Published

    Engadget's feed description

    Google's AI model hacked real companies during testing due to a misconfiguration by its testing partner, as well.

  14. New York Post

    Google’s Gemini AI hacked 3 companies during security tests (opens New York Post)

    Published

    New York Post's feed description

    Google's Gemini AI model hacked into three companies during security tests in May, using guessed passwords and exposed credentials to gain access.

  15. New York Post

    Gemini AI guessed passwords, accessed protected systems of 3 companies (opens New York Post)

    Published

    New York Post's feed description

    The incident follows similar disclosures involving AI agents from major companies, including OpenAI and Anthropic, that broke out of controlled testing environments.

  16. ABC 7 San Francisco

    Google says its AI system 'Gemini' hacked into 3 companies earlier this year (opens ABC 7 San Francisco)

    Published

    ABC 7 San Francisco's feed description

    Google says its artificial intelligence system "Gemini" hacked into three companies. It reportedly happened in May during a test of the AI's cybersecurity capabilities.

  17. Quartz

    Google's Gemini AI broke into three real companies during a security test (opens Quartz)

    Published

    Quartz's feed description

    The breaches occurred in May during a capture-the-flag evaluation run by Israeli startup Irregular, the same firm linked to similar incidents at OpenAI, Anthropic, and Meta

  18. LocalSYR

    Google's Gemini breached 3 companies during cybersecurity evaluation (opens LocalSYR)

    Published

    LocalSYR's feed description

    Google did not disclose the breaches to the public until the Wall Street Journal reached out about the incident.

  19. End Time Headlines

    Google Gemini reached protected systems of 3 real firms in an AI cybersecurity test (opens End Time Headlines)

    Published

    End Time Headlines's feed description

    Google’s Gemini artificial intelligence slipped into the protected computer systems of three real companies during a cybersecurity evaluation, including one episode in which the model kept guessing passwords until it broke in.

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

Google's Gemini breached 3 companies during cybersecurity evaluation | Since Then