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Liting Zhou

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2

AAAI Conference 2026 Conference Paper

LoKI: Low-Damage Knowledge Implanting of Large Language Models

  • Runyu Wang
  • Peng Ping
  • Zhengyu Guo
  • Xiaoye Zhang
  • Quan Shi
  • Liting Zhou
  • Tianbo Ji

Fine-tuning adapts pretrained models for specific tasks but poses the risk of catastrophic forgetting (CF), where critical knowledge from pretraining is overwritten. To address the issue of CF in a general-purpose framework, we propose Low-damage Knowledge Implanting (LoKI), a parameter-efficient fine-tuning (PEFT) technique that utilizes recent mechanistic understanding of how knowledge is stored in transformer architectures. We compare LoKI against state-of-the-art PEFT methods in two real-world fine-tuning scenarios. The results show that LoKI demonstrates significantly better preservation of general capabilities. At the same time, its task-specific performance is comparable to or even surpasses that of full parameter fine-tuning and these PEFT methods across various model architectures. Our work bridges the mechanistic insights of LLMs' knowledge storage with practical fine-tuning objectives, enabling an effective balance between task-specific adaptation and the retention of general-purpose capabilities.

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AAAI Conference 2026 Conference Paper

On the Feasibility of Using MultiModal LLMs to Execute AR Social Engineering Attacks

  • Ting Bi
  • Chenghang Ye
  • Zheyu Yang
  • Ziyi Zhou
  • Cui Tang
  • Zui Tao
  • Jun Zhang
  • Kailong Wang

Augmented Reality (AR) and Multimodal Large Language Models (LLMs) are rapidly evolving, providing unprecedented capabilities for human-computer interaction. However, their integration introduces a new attack surface for Social Engineering (SE). In this paper, we systematically investigate the feasibility of orchestrating AR-driven Social Engineering attacks using Multimodal LLM for the first time, via our proposed SEAR framework, which operates through three key phases: (1) AR-based social context synthesis, which fuses Multimodal inputs (visual, auditory and environmental cues); (2) role-based Multimodal RAG (Retrieval-Augmented Generation), which dynamically retrieves and integrates social context; and (3) ReInteract social engineering agents, which execute adaptive multiphase attack strategies through inference interaction loops. To verify SEAR, we conducted an IRB-approved study with 60 participants and build a novel dataset of 180 annotated conversations in different social scenarios (e.g., coffee shops, networking events). Our results show that SEAR is highly effective at eliciting high-risk behaviors (e.g., 93.3% of participants susceptible to email phishing). The framework was particularly effective in building trust, with 85% of targets willing to accept an attacker's call after an interaction. Also, we identified notable limitations such as authenticity gaps. This work provides proof-of-concept for AR-LLM driven social engineering attacks and insights for developing defenses against next-generation AR/LLM-based SE threats.

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v2026.09.13