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- W4288366158 abstract "This paper proposes a new privacy-enhancing, context-aware user authentication system, ConSec, which uses a transformation of general location-sensitive data, such as GPS location, barometric altitude and noise levels, collected from the user's device, into a representation based on locality-sensitive hashing (LSH). The resulting hashes provide a dimensionality reduction of the underlying data, which we leverage to model users' behaviour for authentication using machine learning. We present how ConSec supports learning from categorical and numerical data, while addressing a number of on-device and network-based threats. ConSec is implemented subsequently for the Android platform and evaluated using data collected from 35 users, which is followed by a security and privacy analysis. We demonstrate that LSH presents a useful approach for context authentication from location-sensitive data without directly utilising plain measurements." @default.
- W4288366158 created "2022-07-29" @default.
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- W4288366158 date "2019-04-18" @default.
- W4288366158 modified "2023-09-23" @default.
- W4288366158 title "Privacy-Enhancing Context Authentication from Location-Sensitive Data" @default.
- W4288366158 doi "https://doi.org/10.48550/arxiv.1904.08800" @default.
- W4288366158 hasPublicationYear "2019" @default.
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