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- W3151787964 abstract "Abstract In secure networks, the authentication process, which verifies a user's identity, is a sensitive operation. Balancing the authentication process's security and usability while keeping operating costs low is a major challenge. We investigate this process in a secure system that has multiple authentication methods available. The goal is to find a fast and easy‐to‐implement approach to assign incoming requests to authentication methods in a way that balances cost, usability, and security. We model the system as a continuous‐time, infinite‐horizon Markov Decision Process. Then, we propose a new, fast heuristic approach to solve the problem, as the curse of dimensionality limits the effectiveness of exact methods. The proposed heuristic uses closed‐form approximations to define threshold policies that are easily implementable. Numerical experiments show that our approach yields robust, near‐optimal solutions, with high accuracy, for a wide range of problem instances." @default.
- W3151787964 created "2021-04-13" @default.
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- W3151787964 date "2021-04-05" @default.
- W3151787964 modified "2023-09-25" @default.
- W3151787964 title "Fast heuristic approach for control of complex authentication systems" @default.
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- W3151787964 doi "https://doi.org/10.1002/asmb.2619" @default.
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