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PRISM: Policy-driven Risk-based Implicit locking for improving the Security of Mobile end-user devices

Published: 11 December 2015 Publication History

Abstract

Nowadays, most mobile applications rely on device screen locking mechanisms for ensuring practical security, which expects the users to explicitly authenticate with a PIN or biometric irrespective of the perceived threats. Owing to this usability issues, many avoid using device locks potentially compromising the security. To overcome the limitations of this binary approach, we present an implicit authentication framework called PRISM (Policy-driven Risk-based Implicit locking for improving the Security of Mobile end-user devices). It provides risk based authentication by detecting anomalies in the usual behavior patterns of the users which include their expected locations, activities and application usage. Its device unlocking decisions are driven by policies that are defined either automatically by mining sensor data or manually by the end-users. Our experiments show that PRISM is able to discover useful behavior patterns efficiently even with limited data. The number of required explicit authentications is significantly reduced while assuring the preferred security for everyday scenarios.

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MoMM 2015: Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia
December 2015
422 pages
ISBN:9781450334938
DOI:10.1145/2837126
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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  • Johannes Kepler University, Linz, Austria
  • @WAS: International Organization of Information Integration and Web-based Applications and Services

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 11 December 2015

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Author Tags

  1. Context awareness
  2. Energy efficiency
  3. Implicit authentication
  4. Mobile computing
  5. Security
  6. Usability

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  • (2024)SMARTCOPEPervasive and Mobile Computing10.1016/j.pmcj.2023.10187397:COnline publication date: 1-Jan-2024
  • (2022)Risk-Based AuthenticationHandbook of Research on Mathematical Modeling for Smart Healthcare Systems10.4018/978-1-6684-4580-8.ch009(154-179)Online publication date: 24-Jun-2022
  • (2021)PUPy: A Generalized, Optimistic Context Detection Framework for Implicit Authentication2021 18th International Conference on Privacy, Security and Trust (PST)10.1109/PST52912.2021.9647739(1-10)Online publication date: 13-Dec-2021
  • (2019)A Survey on Adaptive AuthenticationACM Computing Surveys10.1145/333611752:4(1-30)Online publication date: 11-Sep-2019

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