ResearchSlowBA: Efficiency Backdoor Attacks on GUI AgentsarXiv·high signalXBlueskyLinkedInCopy linkNovel attack targeting agent efficiency not correctness. Triggers cause excessive reasoning steps. Agents work correctly but become unusably slow.SourceSource pagearXiv↳ Follow the threadPolicy dependency / Stack layerHolding Back Ready Agent Turns Instead of Releasing Them Eagerly Cuts P95 Workflow Latency up to 3.50xarXiv 2609.10964Policy dependency / Threat patternMOSAIC Picks a GraphRAG Traversal Policy per Query and Beats the Best Fixed Policy by 9.96 PointsarXiv 2609.11065Stack layer / Threat patternORCH Shows Org-Chart Design Beats Model Scale for 50-Agent Embodied Teams, Adding 63.97% to Mission ScorearXiv 2609.11737Threat pattern / ContrastBlueSTAR runs tiered autonomous cyber defense on two live enterprise IT/OT rangesarXivStack layer / Threat patternEvoSafeHarness searches policies and code together to build a per-model safety harness, cutting attack success from 45.6% to 10.0%arXiv (2609.05903)Stack layer / Threat patternSkill optimization via contextual bandits cut optimization cost 55-58% using only 50 examples per benchmarkarXiv 2609.11682Threat patternGPU-CFR Compiles the Game to Static Dataflow and Beats the Fastest Prior GPU CFR by 29.8-80.4xarXiv 2609.11923Stack layer / Threat patternAn Unlearning Audit of 263 Released Checkpoints Finds 47 Move Past Their Own Seed Spread Just by Refitting Batch-Norm StatisticsarXiv 2609.11490