arXiv AI By Alexander Loth, Martin Kappes, Marc-Oliver Pahl

Interrupting the Chain: Human Perception of AI-Generated Disinformation Through a Kill Chain Lens

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arXiv AI
3d ago

Industrialized Deception: The Collateral Effects of LLM-Generated Misinformation on Digital Ecosystems

The paper "Industrialized Deception: The Collateral Effects of LLM-Generated Misinformation on Digital Ecosystems" updates the 2024 survey on generative AI and misinformation, shifting from a literature review to practical countermeasures. It documents changes in the threat landscape, noting that Large Language Models and multimodal systems have improved AI-generated content, thereby worsening information quality. The authors introduce JudgeGPT, a platform for assessing human perception of AI-generated news, and RogueGPT, a controlled stimulus generation engine, forming an experimental pipeline to study detection and mitigation strategies, including LLM-based detection and inoculation approaches.

By Alexander Loth, Martin Kappes, Marc-Oliver Pahl
arXiv Computation and Language
1d ago

Eroding the Truth-Default: A Causal Analysis of Human Susceptibility to Foundation Model Hallucinations and Disinformation in the Wild

The paper introduces JudgeGPT and RogueGPT, a dual‑axis framework that separates authenticity from attribution to study how people detect hallucinations and disinformation from foundation models. Using 918 evaluations on five models, including GPT‑4 and Llama‑2, the authors apply Structural Causal Models to test causal hypotheses about detection accuracy. Results show political orientation has little effect, while familiarity with fake news mediates detection, and a "fluency trap" in GPT‑4 outputs makes them hard to distinguish from human text, implying pre‑bunking should focus on cognitive source monitoring.

By Alexander Loth, Martin Kappes, Marc-Oliver Pahl
arXiv AI
Sep 10

CogniDir: Combating Cognitive Malicious Comments via Adaptive Distributional Learning for Robust Fake News Detection

CogniDir is an adaptive distributional learning framework designed to improve fake news detection against new psychologically grounded malicious comments generated by Large Language Models. It reframes robust detection as a dynamic data mixture optimization problem, using cognitive psychology to formalize adversarial paradigms and an information‑theoretic score to guide adaptive sampling of training data. Experiments on three benchmarks show that CogniDir achieves state‑of‑the‑art robustness, boosting F1 scores by up to 17.9% over existing baselines under heterogeneous AI‑generated attacks.

By Zhao Tong, Chunlin Gong, Yimeng Gu, Haichao Shi, Qiang Liu, Shu Wu, Xingcheng Xu, Xiao-Yu Zhang