AI safety and alignment

Alignment, interpretability, red-teaming, bias and privacy: the research on what these systems do when they misbehave.

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arXiv AI
Oct 21

Securing Agentic Commerce Through Behavior-Aware Fraud Detection and Cybersecurity for Trusted AI-Agent Payment Authorization

The paper introduces the Autonomous Commerce Agent Guard System (ACAGS), a cybersecurity framework that uses supervised machine learning, behavioral analytics, agent‑specific authorization controls, and explainable AI to protect autonomous AI agents in digital commerce. Evaluated on synthetic financial data with five adversarial scenarios, ACAGS achieved high detection rates—99.77% for abnormal behavior, 99.73% for impersonation, and 100% for malicious delegation—while improving F1‑score from 52.12% to 69.46% with behavioral and agent‑specific features. The system also supports APPROVE, REVIEW, and REJECT authorization outcomes, with SHAP explanations providing interpretability.

By Kayode L. Ogunsusi
arXiv AI
Oct 21

When LLMs Manipulate: Measuring Behavioral, Social, and Temporal Effects

The paper introduces a framework to measure how large language models (LLMs) can manipulate users through subtle linguistic cues, defining behavioral vulnerability as users’ susceptibility to such manipulative AI responses. Using the DarkPatterns-LLM benchmark and a new Manipulation Gradient Descent method, the authors generate controlled stimuli that target authority, urgency, and social proof biases. In a study with 120 participants, manipulative framing significantly altered trust calibration and compliance, with effects persisting over time and spreading across social contexts, underscoring the need to evaluate LLM safety beyond output content.

By Sadia Asif, Israel Antonio Rosales Laguan, Shumaila Asif, Haris Khan, Muneeb Asif, Muhammad Zeeshan Karamat
arXiv AI
Oct 21

Global Security Blind Spots: Translation as a Safety Bypass in Low-Resource Languages

The paper investigates how large language models (LLMs) can be bypassed by translating harmful requests from English into low‑resource languages. By testing ten popular LLMs across 79 languages, the authors find that safe English completions often fail to remain safe after translation, with bypass rates between 21.9% and 44.4%. The risk is unevenly distributed across language families and varies significantly between models, making it hard to rank models by safety consistently.

By Jalil Alva, David Harper, Abigail E. Thornton, Rafael S. Villalobos Alva, Leonardo Kenji Minemura Suazo, Konstantinos Karageorgos, Diego Velazquez, Sergio A. Serrano, Marvin Vargas Flores, Aaron Schliem, Fernando F. Migone
arXiv AI
Oct 21

Refuses When Asked, Complies When Acting: A Runtime Safety Check for Robot Control Loops

The paper demonstrates that frontier language models controlling robots via a single-question loop can execute harmful instructions without refusing. In experiments with GPT‑6 Astra and a low‑cost SO‑101 arm, the model refused 0 % of 15 hazardous tasks and completed 27 % of them. Adding a runtime safety check that asks the model whether it would carry out the instruction before any motion would have prevented all hazardous actions while allowing harmless controls.

By Arnav Grover
arXiv AI
Oct 21

Does Multi-Agent Collaboration Reduce Hallucination in Clinical Tasks?

The study investigates whether multi‑agent large language model (LLM) systems reduce hallucination in clinical tasks. By evaluating a single‑LLM baseline and three multi‑agent topologies across four models and three clinical tasks, the authors find that collaboration improves task performance but does not consistently lower hallucination; the effect varies by model rather than by topology or number of agents. A self‑correction experiment further shows that only certain models benefit from collaboration, while others see increased hallucination.

By Won Seok Jang, Harry Bhaskar Joshi, Hong Yu
arXiv AI
Oct 21

Physical AI: Concepts, Techniques, and Challenges

The monograph defines physical AI as artificial systems that perceive, model, and act upon the physical world through continuous feedback under real‑world constraints, distinguishing it from digital AI, embodied AI, cyber‑physical systems, and digital twins. It surveys the technical landscape—covering physics, control, cognition, learning, and reasoning—and reviews key methodologies such as multimodal perception, simulation, world models, embodied foundation models, motor‑control systems, multi‑agent coordination, and hardware‑software co‑design. The work also explores applications in robotics, manufacturing, infrastructure, scientific experimentation, and autonomous services, while addressing challenges like sim‑to‑real transfer, reliability, real‑time execution, evaluation, safety, governance, and long‑term deployment.

By Weinan Zhang, Chunhua Shen, Tianfan Xue, Bin Zhao, Bingqi Jiang, Zihan Guo, Zicai Cui, Yang Li, Ming Zhou, Xinyuan Chen, Lihe Ding, Xiao Chen, Yujin Wang, Shi Guo, Junting Dong, Tao Lu, Xing Shen, Haoyu Guo, Yao Mu, Haiyong Yu, Haoxiang Ma, Fuxian Huang, Qiaojun Yu, Yunsong Zhou, Kailin Li, Zirui Wang, Yufei Xue, Weishuai Zeng, Tao Huang, Zhigang Wang, Junli Liu, Pengyuan Wu, Pingrui Zhang, Haotian Wang, Dongzhan Zhou, Jiafei Cao, Feng Yuan, Xinyi Ye, Quanli Xuan, Mulin Yu, Shangding Gu, Kaiwen Song, Dong Wang, Jiarui Li, Kehui Liu, Zhongjie Jia, Dongjiang Li, Jiacheng Bao, Haoran Yang, Zhaoqing Chen, Yiming Sun, Bowen Zhou
arXiv AI
Oct 21

EGI-BENCH: An Enterprise General Intelligence Benchmark Suite

EGI‑BENCH is a unified benchmark suite for evaluating large language model agents in enterprise settings, consolidating eight existing benchmarks (CRMARENA, HERB, PERSONABENCH, USERBENCH, MCP‑UNIVERSE, MCPEVAL, BENCHFORCE, LOCOBENCH) under a single command‑line interface with two runtime‑budgeted modes. It introduces the Enterprise General Intelligence (EGI) Score, a six‑dimensional framework (M1‑M6) that aggregates fine‑grained sub‑metrics from each benchmark rather than simple averages, providing a more nuanced view of model capabilities. The paper reports results for fourteen LLMs across GPT, Claude, and Gemini families, showing varied strengths across task outcome, planning, retrieval, tool actioning, safety, and engineering quality.

By Zhiwei Liu, Zhujun Lan, Jielin Qiu, Zixiang Chen, Liangwei Yang, Ming Zhu, Akshara Prabhakar, Wenting Zhao, John Emmons, Jason Wu, Shafiq Rayhan Joty, Junnan Li, Shelby Heinecke, Silvio Savarese, Huan Wang
arXiv AI
Oct 21

Semantic Observability for Autonomous Systems Diagnostics

Semantic Observability for Autonomous Systems Diagnostics proposes an autonomous multi‑agent framework that consolidates heterogeneous observability logs into a dynamic, queryable Property Graph Database. By modeling infrastructure topologies, software dependencies, and event sequences as attributed nodes and directed relations, the system applies causal graph algorithms and temporal back‑traversal to isolate anomaly blast radii. A Large Language Model then interprets the pruned subgraph to produce code‑level root cause analyses and actionable remediations, aiming to reduce MTTR and LLM token consumption while preventing hallucinations.

By Jitendra Solanki, Anand Todkar, Ziran Min
arXiv AI
Oct 21

The Router Already Knows

The paper investigates whether a sparse dictionary can reuse the routing decisions already made by a mixture‑of‑experts (MoE) model. Using the NR‑SAE approach, each routed expert is given a small dictionary that is opened only when the frozen router selects that expert. Experiments on Gemma 4 26B‑A4B show that the expert‑aligned autoencoder explains 51.8 % of the variance in router‑weighted expert outputs, outperforming several control variants and suggesting that the router already encodes useful information that a dictionary would otherwise need to learn.

By Andrew Bistras, Marty Johnson
arXiv AI
Oct 21

Beyond the Prompt: Recovering Hidden Concepts in Text-to-Image Models

The paper introduces EmbGA, an embedding‑space genetic algorithm designed to uncover hidden concepts in text‑to‑image models that are not explicitly mentioned in prompts. Unlike existing prompt optimizers, EmbGA operates directly in token embedding space, using crossover and mutation to generate valid token sequences that align with unseen visual concepts. Experiments on two benchmarks show that EmbGA outperforms six other optimizers in alignment and token grounding, especially with larger exploration budgets, while also being faster than language‑model‑guided search.

By Zhengfeng Zheng, Minghong Fang