Towards Scalable Defenses against Intimate Partner Infiltrations

• URL: http://arxiv.org/abs/2502.03682v1
• Date: Thu, 06 Feb 2025 00:07:08 GMT
• Title: Towards Scalable Defenses against Intimate Partner Infiltrations
• Authors: Weisi Yang, Shinan Liu, Feng Xiao, Nick Feamster, Stephen Xia,
• Abstract summary: Intimate Partner Infiltration (IPI) is a pervasive concern in the United States.<n>Unlike conventional cyberattacks, IPI perpetrators leverage close proximity and personal knowledge to circumvent standard protections.<n>We present AID, an Automated IPI Detection system that continuously monitors for unauthorized access and suspicious behaviors on smartphones.
• Score: 9.694038607827169
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Intimate Partner Infiltration (IPI)--a type of Intimate Partner Violence (IPV) that typically requires physical access to a victim's device--is a pervasive concern in the United States, often manifesting through digital surveillance, control, and monitoring. Unlike conventional cyberattacks, IPI perpetrators leverage close proximity and personal knowledge to circumvent standard protections, underscoring the need for targeted interventions. While security clinics and other human-centered approaches effectively tailor solutions for survivors, their scalability remains constrained by resource limitations and the need for specialized counseling. In this paper, we present AID, an Automated IPI Detection system that continuously monitors for unauthorized access and suspicious behaviors on smartphones. AID employs a two-stage architecture to process multimodal signals stealthily and preserve user privacy. A brief calibration phase upon installation enables AID to adapt to each user's behavioral patterns, achieving high accuracy with minimal false alarms. Our 27-participant user study demonstrates that AID achieves highly accurate detection of non-owner access and fine-grained IPI-related activities, attaining an end-to-end top-3 F1 score of 0.981 with a false positive rate of 4%. These findings suggest that AID can serve as a forensic tool within security clinics, scaling their ability to identify IPI tactics and deliver personalized, far-reaching support to survivors.

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