Cited by 5Privacy, Security, and Data ProtectionPrivacy-Preserving Technologies in DataInnovative Human-Technology Interaction

Raising Awareness of Location Information Vulnerabilities in Social Media Photos using LLMs

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Ma, Ying, Zhang, Shiquan, Yang, Dongju, Sarsenbayeva, Zhanna, Knibbe, Jarrod, Goncalves, Jorge·2025·Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems

Abstract

Location privacy leaks can lead to unauthorised tracking, identity theft, and targeted attacks, compromising personal security and privacy. This study explores LLM-powered location privacy leaks associated with photo sharing on social media, focusing on user awareness, attitudes, and opinions. We developed and introduced an LLM-powered location privacy intervention app to 19 participants, who used it over a two-week period. The app prompted users to reflect on potential privacy leaks that a widely available LLM could easily detect, such as visual landmarks & cues that could reveal their location, and provided ways to conceal this information. Through in-depth interviews, we found that our intervention effectively increased users' awareness of location privacy and the risks posed by LLMs. It also encouraged users to consider the importance of maintaining control over their privacy data and sparked discussions about the future of location privacy-preserving technologies. Based on these insights, we offer design implications to support the development of future user-centred, location privacy-preserving technologies for social media photos.

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Research works printed but not linked: 6

  1. [26][26] Benjamin Henne, Marcel Linke, and Matthew Smith. 2014. A study on the unawareness of shared photos in social network services. In IEEE Security and Privacy Workshop on Web 2.0 Security & Privacy 2014 (W2SP) . -
  2. [45][45] Ying Ma, Qiushi Zhou, Benjamin Tag, Zhanna Sarsenbayeva, Jarrod Knibbe, and Jorge Goncalves. 2023. 'Hello, Fellow Villager!': Perceptions and Impact of Displaying Users' Locations on Weibo. In IFIP Conference on Human-Computer Interaction . Springer, 511-532. -
  3. [49][49] David McGookin. 2019. Reveal: investigating proactive location-based reminiscing with personal digital photo repositories. In Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems . 1-14. -
  4. [51][51] Anne Oeldorf-Hirsch and S Shyam Sundar. 2010. Online photo sharing as mediated communication. In annual conference of the International Communication Association, Singapore . -
  5. [56][56] Jiayu Shu, Rui Zheng, and Pan Hui. 2018. Cardea: Context-aware visual privacy protection for photo taking and sharing. In Proceedings of the 9th ACM Multimedia Systems Conference . 304-315. -
  6. [62][62] Vincent Toubiana, Vincent Verdot, Benoit Christophe, and Mathieu Boussard. 2012. Photo-tape: user privacy preferences in photo tagging. In Proceedings of the 21st International Conference on World Wide Web . 617-618. -

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Authors
Ma, Y., Zhang, S., Yang, D., Sarsenbayeva, Z., Knibbe, J., & Goncalves, J.
Affiliations
  • The University of Melbourne (AU)
  • The University of Sydney (AU)
  • The University of Queensland (AU)
  • School of Computing and Information Systems, University of Melbourne, Melbourne, Victoria, Australia
Venue
Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems
Publisher
ACM
Published
2025-04-25
Pages
1-14
OpenAlex
W4409736232
Cited by
5
References
65
Citations by year
2026: 2 · 2025: 3
FWCI
16.80
Type
conference paper
Language
en
Open access
Locations
  • CHI Conference on Human Factors in Computing Systems (publishedVersion, cc-by)
  • arXiv (Cornell University) (submittedVersion)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
  • arXiv (Cornell University) (cc-by)
Topics
  • Social Sciences › Sociology and Political Science › Privacy, Security, and Data Protection
  • Physical Sciences › Computer Science › Artificial Intelligence › Privacy-Preserving Technologies in Data
  • Physical Sciences › Computer Science › Human-Computer Interaction › Innovative Human-Technology Interaction
Keywords
location privacy, privacy leakage, social media images, large language models, user awareness, visual landmarks, privacy-preserving techniques

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