Multi-agent Sequential Communication on AgentLeak
86.5Privacy ScoreFull-System LCGuard
Evaluation results
| Method | Links | |||||
|---|---|---|---|---|---|---|
| Full-System LCGuardTopology=Seq, #Agents=3, Backbone=Qwen3-14B, Communication Protocol=KVComm2026.05 | 86.5 | 66.5 | 76 | 13.5 | 27 | |
| Full-System LCGuardTopology=Hier, #Agents=5, Backbone=Qwen3-8B2026.05 | 85.5 | 63.5 | 72.5 | 14.5 | 34.5 | |
| Full-System LCGuardTopology=Seq, #Agents=3, Backbone=Qwen3-8B2026.05 | 85 | 65.5 | 73 | 15 | 32 | |
| ADAPTTopology=Seq, #Agents=3, Backbone=Qwen3-14B, Communication Protocol=KVComm2026.05 | 84.5 | 36 | 30.5 | 15.5 | 39 | |
| ADAPTTopology=Seq, #Agents=3, Backbone=Qwen3-8B2026.05 | 83.5 | 35.5 | 30 | 16.5 | 43 | |
| Full-System LCGuardTopology=Graph, #Agents=5, Backbone=Qwen3-8B2026.05 | 83 | 62.5 | 70.5 | 17 | 37 | |
| ADAPTTopology=Hier, #Agents=5, Backbone=Qwen3-8B2026.05 | 82.5 | 34 | 28.5 | 17.5 | 45.5 | |
| ADAPTTopology=Graph, #Agents=5, Backbone=Qwen3-8B2026.05 | 80.5 | 32.5 | 25.5 | 19.5 | 49 | |
| Per-Agent LCGuardTopology=Seq, #Agents=3, Backbone=Qwen3-14B, Communication Protocol=KVComm2026.05 | 80 | 63 | 69 | 20 | 31 | |
| Per-Agent LCGuardTopology=Hier, #Agents=5, Backbone=Qwen3-8B2026.05 | 79.2 | 60.5 | 61.5 | 20.8 | 39 | |
| Per-Agent LCGuardTopology=Seq, #Agents=3, Backbone=Qwen3-8B2026.05 | 79 | 61.5 | 65 | 21 | 36.5 | |
| Per-Agent LCGuardTopology=Graph, #Agents=5, Backbone=Qwen3-8B2026.05 | 77 | 59 | 65.5 | 23 | 42 | |
| PrivActTopology=Seq, #Agents=3, Backbone=Qwen3-14B, Communication Protocol=KVComm2026.05 | 60 | 58.5 | 47 | 40 | 79 | |
| PrivActTopology=Seq, #Agents=3, Backbone=Qwen3-8B2026.05 | 59 | 56.5 | 42 | 41 | 77 | |
| PrivActTopology=Hier, #Agents=5, Backbone=Qwen3-8B2026.05 | 57.5 | 58.5 | 40 | 42.5 | 79 | |
| PrivActTopology=Graph, #Agents=5, Backbone=Qwen3-8B2026.05 | 55 | 56.5 | 37.5 | 45 | 83.5 | |
| Vanilla KV Sharing (KVComm)Topology=Seq, #Agents=3, Backbone=Qwen3-14B, Communication Protocol=KVComm2026.05 | 29 | 69 | 82 | 71 | 86.5 | |
| Vanilla KV Sharing (LatentMAS)Topology=Seq, #Agents=3, Backbone=Qwen3-8B2026.05 | 28.5 | 67 | 80 | 71.5 | 81 | |
| Vanilla KV Sharing (LatentMAS)Topology=Hier, #Agents=5, Backbone=Qwen3-8B2026.05 | 26.5 | 66 | 77.5 | 73.5 | 83.5 | |
| Vanilla KV Sharing (LatentMAS)Topology=Graph, #Agents=5, Backbone=Qwen3-8B2026.05 | 24 | 64.5 | 74.5 | 76 | 87 |