AI · 147 giorni fa
Cisco research demonstrates VLMs can be manipulated by imperceptible pixel perturbations embedding instructions in images (e.g., banners/previews), creating a covert channel that humans and simple filters miss.
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Attackers Could Exploit AI Vision Models Using Imperceptible Image Changes
Cisco’s AI security researchers have analyzed ways to target vision-language models (VLMs) using pixel-level perturbation.
Part of the PlainSec briefing for 2026-05-07