Hidden Markov model for masquerade detection based on sequence alignment

• Main Authors: Wei, Qiu, Khong, Andy Wai Hoong, Tay, Wee Peng
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2023
• Subjects: Engineering::Computer science and engineering::Computing methodologies::Artificial intelligence; Masquerade Detection; Sequence Alignment; Hidden Markov Models
• Online Access: https://hdl.handle.net/10356/165579
• Institution: Nanyang Technological University

A masquerade attack, in which an attacker impersonates a legitimate user to utilize the user's privileges, can be triggered either by someone within the organization or by an outsider. We propose the sequence alignment based hidden Markov model (SA-HMM) approach, where we incorporate the benefi...