Jul 2026
ChannelGuard: Safe Models Do Not Compose into Safe Multi-Agent Systems
ChannelGuard, a training-free defense-in-depth framework placing information-bottleneck gates on every inter-agent channel; each scores channel text against an adversarial phrase bank by embedding similarity and deterministically passes, compresses, or blocks it, adding no LLM call, while an attribution method records...
Elias Hossain, Md. Mehedi Hasan Bhuiyan Nipu, Fatema Tuj Johora Faria et al.
· arXiv.org · 0 citations