Researchers Show Copilot and Grok Can Be Abused as Malware C2 Proxies

Published on February 17, 2026

Cybersecurity researchers have disclosed that artificial intelligence (AI) assistants that support web browsing or URL fetching capabilities can be turned into stealthy command-and-control (C2) relays, a technique that could allow attackers to blend into legitimate enterprise communications and evade detection. The attack method, which has been demonstrated against Microsoft Copilot and xAI Grok

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