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Coverage dated September 22, 2026

New ClosedQuorum Windows malware uses AI for attack decisions

Headline from Bleeping Computer

A new Windows malware named ClosedQuorum uses Google Gemini, DeepSeek, Qwen, and Mistral AI models to autonomously determine the actions to take during post-compromise stages of an attack. [...]

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

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2 articles, oldest first.

  1. Bleeping Computer

    New ClosedQuorum Windows malware uses AI for attack decisions (opens Bleeping Computer)

    Published

    Bleeping Computer's feed description

    A new Windows malware named ClosedQuorum uses Google Gemini, DeepSeek, Qwen, and Mistral AI models to autonomously determine the actions to take during post-compromise stages of an attack. [...]

  2. The Register

    Windows CLOSEDQUORUM malware uses AI models to autonomously select post-compromise actions (opens The Register)

    Published

    The Register's feed description

    'first' publicly documented Windows implant to use LLMs for C2

New ClosedQuorum Windows malware uses AI for attack decisions | Since Then