Communication channel leakage evaluation on AgentLeak (test)
0.823Privacy ScoreFull-System LCGuard
Evaluation results
| Method | Links | |||||
|---|---|---|---|---|---|---|
| Full-System LCGuardTopology=Hierarchical, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.823 | 59.1 | 0.675 | 17.7 | 22.4 | |
| Full-System LCGuardTopology=Sequential, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.819 | 62.9 | 0.7 | 18.1 | 25.9 | |
| ADAPTTopology=Sequential, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.81 | 33 | 0.27 | 19 | 41.3 | |
| ADAPTTopology=Hierarchical, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.8 | 31.2 | 0.255 | 20 | 39.4 | |
| Per-Agent LCGuardTopology=Sequential, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.762 | 58.2 | 0.63 | 23.8 | 29.1 | |
| Per-Agent LCGuardTopology=Hierarchical, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.762 | 57.2 | 0.61 | 23.8 | 26.5 | |
| PrivActTopology=Sequential, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.551 | 53.1 | 0.431 | 44.9 | 79 | |
| PrivActTopology=Hierarchical, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.534 | 56.2 | 0.371 | 46.6 | 75.2 | |
| Vanilla KV Sharing (LatentMAS)Topology=Sequential, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.25 | 64 | 0.76 | 75 | 88 | |
| Vanilla KV Sharing (LatentMAS)Topology=Hierarchical, #Agents=3, Backbone=Qwen3-4B2026.05 | 0.23 | 63 | 0.735 | 77 | 89.1 |