Quoting Calif Research

Simon Willison · Sep 10, 2026 · Research Findings

WeWorm is the first zero-click worm that spreads via WeChat calls.

“AI can already do most of the work here.”

Calif Research has demonstrated WeWorm, a zero-click worm that exploits WeChat calls, using AI to accelerate its development. This mark a significant advancement in AI's role in cybersecurity, highlighting both threats and the need for enhanced security measures.

ai-security-research ai security generative-ai

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